OpenWrt – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | office | 1 | #!/usr/bin/env bash |
2 | # |
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3 | # Script for various external toolchain tasks, refer to |
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4 | # the --help output for more information. |
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5 | # |
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6 | # Copyright (C) 2012 Jo-Philipp Wich <jo@mein.io> |
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7 | # |
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8 | # This program is free software; you can redistribute it and/or modify |
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9 | # it under the terms of the GNU General Public License as published by |
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10 | # the Free Software Foundation; either version 2 of the License, or |
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11 | # (at your option) any later version. |
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12 | # |
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13 | # This program is distributed in the hope that it will be useful, |
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14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | # GNU General Public License for more details. |
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17 | # |
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18 | # You should have received a copy of the GNU General Public License |
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19 | # along with this program; if not, write to the Free Software |
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20 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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21 | |||
22 | CC="" |
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23 | CXX="" |
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24 | CPP="" |
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25 | |||
26 | CFLAGS="" |
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27 | TOOLCHAIN="." |
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28 | |||
29 | LIBC_TYPE="" |
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30 | |||
31 | |||
32 | # Library specs |
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33 | LIB_SPECS=" |
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34 | c: ld-* lib{anl,c,cidn,crypt,dl,m,nsl,nss_dns,nss_files,resolv,util} |
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35 | rt: librt-* librt |
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36 | pthread: libpthread-* libpthread |
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37 | stdcpp: libstdc++ |
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38 | thread_db: libthread-db |
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39 | gcc: libgcc_s |
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40 | ssp: libssp |
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41 | gfortran: libgfortran |
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42 | gomp: libgomp |
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43 | " |
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44 | |||
45 | # Binary specs |
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46 | BIN_SPECS=" |
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47 | ldd: ldd |
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48 | ldconfig: ldconfig |
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49 | gdb: gdb |
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50 | gdbserver: gdbserver |
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51 | " |
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52 | |||
53 | |||
54 | test_c() { |
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55 | cat <<-EOT | "${CC:-false}" $CFLAGS -o /dev/null -x c - 2>/dev/null |
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56 | #include <stdio.h> |
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57 | |||
58 | int main(int argc, char **argv) |
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59 | { |
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60 | printf("Hello, world!\n"); |
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61 | return 0; |
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62 | } |
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63 | EOT |
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64 | } |
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65 | |||
66 | test_cxx() { |
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67 | cat <<-EOT | "${CXX:-false}" $CFLAGS -o /dev/null -x c++ - 2>/dev/null |
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68 | #include <iostream> |
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69 | |||
70 | using namespace std; |
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71 | |||
72 | int main() |
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73 | { |
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74 | cout << "Hello, world!" << endl; |
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75 | return 0; |
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76 | } |
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77 | EOT |
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78 | } |
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79 | |||
80 | test_softfloat() { |
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81 | cat <<-EOT | "$CC" $CFLAGS -msoft-float -o /dev/null -x c - 2>/dev/null |
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82 | int main(int argc, char **argv) |
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83 | { |
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84 | double a = 0.1; |
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85 | double b = 0.2; |
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86 | double c = (a + b) / (a * b); |
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87 | return 1; |
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88 | } |
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89 | EOT |
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90 | } |
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91 | |||
92 | test_uclibc() { |
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93 | local sysroot="$("$CC" $CFLAGS -print-sysroot 2>/dev/null)" |
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94 | if [ -d "${sysroot:-$TOOLCHAIN}" ]; then |
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95 | local lib |
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96 | for lib in "${sysroot:-$TOOLCHAIN}"/{lib,usr/lib,usr/local/lib}/ld*-uClibc*.so*; do |
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97 | if [ -f "$lib" ] && [ ! -h "$lib" ]; then |
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98 | return 0 |
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99 | fi |
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100 | done |
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101 | fi |
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102 | return 1 |
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103 | } |
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104 | |||
105 | test_feature() { |
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106 | local feature="$1"; shift |
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107 | |||
108 | # find compilers, libc type |
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109 | probe_cc |
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110 | probe_cxx |
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111 | probe_libc |
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112 | |||
113 | # common toolchain feature tests |
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114 | case "$feature" in |
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115 | c) test_c; return $? ;; |
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116 | c++) test_cxx; return $? ;; |
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117 | soft*) test_softfloat; return $? ;; |
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118 | esac |
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119 | |||
120 | # assume eglibc/glibc supports all libc features |
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121 | if [ "$LIBC_TYPE" != "uclibc" ]; then |
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122 | return 0 |
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123 | fi |
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124 | |||
125 | # uclibc feature tests |
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126 | local inc |
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127 | local sysroot="$("$CC" "$@" -muclibc -print-sysroot 2>/dev/null)" |
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128 | for inc in "include" "usr/include" "usr/local/include"; do |
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129 | local conf="${sysroot:-$TOOLCHAIN}/$inc/bits/uClibc_config.h" |
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130 | if [ -f "$conf" ]; then |
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131 | case "$feature" in |
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132 | lfs) grep -q '__UCLIBC_HAS_LFS__ 1' "$conf"; return $?;; |
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133 | ipv6) grep -q '__UCLIBC_HAS_IPV6__ 1' "$conf"; return $?;; |
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134 | rpc) grep -q '__UCLIBC_HAS_RPC__ 1' "$conf"; return $?;; |
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135 | locale) grep -q '__UCLIBC_HAS_LOCALE__ 1' "$conf"; return $?;; |
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136 | wchar) grep -q '__UCLIBC_HAS_WCHAR__ 1' "$conf"; return $?;; |
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137 | threads) grep -q '__UCLIBC_HAS_THREADS__ 1' "$conf"; return $?;; |
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138 | esac |
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139 | fi |
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140 | done |
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141 | |||
142 | return 1 |
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143 | } |
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144 | |||
145 | |||
146 | find_libs() { |
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147 | local spec="$(echo "$LIB_SPECS" | sed -ne "s#^[[:space:]]*$1:##ip")" |
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148 | |||
149 | if [ -n "$spec" ] && probe_cpp; then |
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150 | local libdir libdirs |
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151 | for libdir in $( |
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152 | "$CPP" $CFLAGS -v -x c /dev/null 2>&1 | \ |
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153 | sed -ne 's#:# #g; s#^LIBRARY_PATH=##p' |
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154 | ); do |
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155 | if [ -d "$libdir" ]; then |
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156 | libdirs="$libdirs $(cd "$libdir"; pwd)/" |
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157 | fi |
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158 | done |
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159 | |||
160 | local pattern |
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161 | for pattern in $(eval echo $spec); do |
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162 | find $libdirs -name "$pattern.so*" | sort -u |
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163 | done |
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164 | |||
165 | return 0 |
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166 | fi |
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167 | |||
168 | return 1 |
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169 | } |
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170 | |||
171 | find_bins() { |
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172 | local spec="$(echo "$BIN_SPECS" | sed -ne "s#^[[:space:]]*$1:##ip")" |
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173 | |||
174 | if [ -n "$spec" ] && probe_cpp; then |
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175 | local sysroot="$("$CPP" -print-sysroot)" |
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176 | |||
177 | local bindir bindirs |
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178 | for bindir in $( |
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179 | echo "${sysroot:-$TOOLCHAIN}/bin"; |
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180 | echo "${sysroot:-$TOOLCHAIN}/usr/bin"; |
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181 | echo "${sysroot:-$TOOLCHAIN}/usr/local/bin"; |
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182 | "$CPP" $CFLAGS -v -x c /dev/null 2>&1 | \ |
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183 | sed -ne 's#:# #g; s#^COMPILER_PATH=##p' |
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184 | ); do |
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185 | if [ -d "$bindir" ]; then |
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186 | bindirs="$bindirs $(cd "$bindir"; pwd)/" |
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187 | fi |
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188 | done |
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189 | |||
190 | local pattern |
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191 | for pattern in $(eval echo $spec); do |
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192 | find $bindirs -name "$pattern" | sort -u |
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193 | done |
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194 | |||
195 | return 0 |
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196 | fi |
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197 | |||
198 | return 1 |
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199 | } |
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200 | |||
201 | |||
202 | wrap_bin_cc() { |
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203 | local out="$1" |
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204 | local bin="$2" |
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205 | |||
206 | echo '#!/bin/sh' > "$out" |
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207 | echo 'for arg in "$@"; do' >> "$out" |
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208 | echo ' case "$arg" in -l*|-L*|-shared|-static)' >> "$out" |
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209 | echo -n ' exec "'"$bin"'" '"$CFLAGS"' ${STAGING_DIR:+' >> "$out" |
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210 | echo -n '-idirafter "$STAGING_DIR/usr/include" ' >> "$out" |
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211 | echo -n '-L "$STAGING_DIR/usr/lib" ' >> "$out" |
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212 | echo '-Wl,-rpath-link,"$STAGING_DIR/usr/lib"} "$@" ;;' >> "$out" |
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213 | echo ' esac' >> "$out" |
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214 | echo 'done' >> "$out" |
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215 | echo -n 'exec "'"$bin"'" '"$CFLAGS"' ${STAGING_DIR:+' >> "$out" |
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216 | echo '-idirafter "$STAGING_DIR/usr/include"} "$@"' >> "$out" |
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217 | |||
218 | chmod +x "$out" |
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219 | } |
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220 | |||
221 | wrap_bin_ld() { |
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222 | local out="$1" |
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223 | local bin="$2" |
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224 | |||
225 | echo '#!/bin/sh' > "$out" |
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226 | echo -n 'exec "'"$bin"'" ${STAGING_DIR:+' >> "$out" |
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227 | echo -n '-L "$STAGING_DIR/usr/lib" ' >> "$out" |
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228 | echo '-rpath-link "$STAGING_DIR/usr/lib"} "$@"' >> "$out" |
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229 | |||
230 | chmod +x "$out" |
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231 | } |
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232 | |||
233 | wrap_bin_other() { |
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234 | local out="$1" |
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235 | local bin="$2" |
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236 | |||
237 | echo '#!/bin/sh' > "$out" |
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238 | echo 'exec "'"$bin"'" "$@"' >> "$out" |
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239 | |||
240 | chmod +x "$out" |
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241 | } |
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242 | |||
243 | wrap_bins() { |
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244 | if probe_cc; then |
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245 | mkdir -p "$1" || return 1 |
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246 | |||
247 | local cmd |
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248 | for cmd in "${CC%-*}-"*; do |
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249 | if [ -x "$cmd" ]; then |
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250 | local out="$1/${cmd##*/}" |
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251 | local bin="$cmd" |
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252 | |||
253 | if [ -x "$out" ] && ! grep -q STAGING_DIR "$out"; then |
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254 | mv "$out" "$out.bin" |
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255 | bin='$(dirname "$0")/'"${out##*/}"'.bin' |
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256 | fi |
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257 | |||
258 | case "${cmd##*/}" in |
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259 | *-*cc|*-*cc-*|*-*++|*-*++-*|*-cpp) |
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260 | wrap_bin_cc "$out" "$bin" |
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261 | ;; |
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262 | *-ld) |
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263 | wrap_bin_ld "$out" "$bin" |
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264 | ;; |
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265 | *) |
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266 | wrap_bin_other "$out" "$bin" |
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267 | ;; |
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268 | esac |
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269 | fi |
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270 | done |
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271 | |||
272 | return 0 |
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273 | fi |
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274 | |||
275 | return 1 |
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276 | } |
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277 | |||
278 | |||
279 | print_config() { |
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280 | local mktarget="$1" |
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281 | local mksubtarget |
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282 | |||
283 | local target="$("$CC" $CFLAGS -dumpmachine)" |
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284 | local cpuarch="${target%%-*}" |
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285 | local prefix="${CC##*/}"; prefix="${prefix%-*}-" |
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286 | local config="${0%/scripts/*}/.config" |
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287 | |||
288 | # if no target specified, print choice list and exit |
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289 | if [ -z "$mktarget" ]; then |
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290 | # prepare metadata |
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291 | if [ ! -f "${0%/scripts/*}/tmp/.targetinfo" ]; then |
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292 | "${0%/*}/scripts/config/mconf" prepare-tmpinfo |
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293 | fi |
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294 | |||
295 | local mktargets=$( |
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296 | sed -ne " |
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297 | /^Target: / { h }; |
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298 | /^Target-Arch: $cpuarch\$/ { x; s#^Target: ##p } |
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299 | " "${0%/scripts/*}/tmp/.targetinfo" | sort -u |
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300 | ) |
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301 | |||
302 | for mktarget in $mktargets; do |
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303 | case "$mktarget" in */*) |
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304 | mktargets=$(echo "$mktargets" | sed -e "/^${mktarget%/*}\$/d") |
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305 | esac |
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306 | done |
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307 | |||
308 | if [ -n "$mktargets" ]; then |
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309 | echo "Available targets:" >&2 |
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310 | echo $mktargets >&2 |
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311 | else |
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312 | echo -e "Could not find a suitable OpenWrt target for " >&2 |
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313 | echo -e "CPU architecture '$cpuarch' - you need to " >&2 |
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314 | echo -e "define one first!" >&2 |
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315 | fi |
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316 | return 1 |
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317 | fi |
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318 | |||
319 | # bail out if there is a .config already |
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320 | if [ -f "${0%/scripts/*}/.config" ]; then |
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321 | echo "There already is a .config file, refusing to overwrite!" >&2 |
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322 | return 1 |
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323 | fi |
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324 | |||
325 | case "$mktarget" in */*) |
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326 | mksubtarget="${mktarget#*/}" |
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327 | mktarget="${mktarget%/*}" |
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328 | ;; esac |
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329 | |||
330 | |||
331 | echo "CONFIG_TARGET_${mktarget}=y" > "$config" |
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332 | |||
333 | if [ -n "$mksubtarget" ]; then |
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334 | echo "CONFIG_TARGET_${mktarget}_${mksubtarget}=y" >> "$config" |
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335 | fi |
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336 | |||
337 | if test_feature "softfloat"; then |
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338 | echo "CONFIG_SOFT_FLOAT=y" >> "$config" |
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339 | else |
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340 | echo "# CONFIG_SOFT_FLOAT is not set" >> "$config" |
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341 | fi |
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342 | |||
343 | if test_feature "ipv6"; then |
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344 | echo "CONFIG_IPV6=y" >> "$config" |
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345 | else |
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346 | echo "# CONFIG_IPV6 is not set" >> "$config" |
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347 | fi |
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348 | |||
349 | if test_feature "locale"; then |
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350 | echo "CONFIG_BUILD_NLS=y" >> "$config" |
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351 | else |
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352 | echo "# CONFIG_BUILD_NLS is not set" >> "$config" |
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353 | fi |
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354 | |||
355 | echo "CONFIG_DEVEL=y" >> "$config" |
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356 | echo "CONFIG_EXTERNAL_TOOLCHAIN=y" >> "$config" |
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357 | echo "CONFIG_TOOLCHAIN_ROOT=\"$TOOLCHAIN\"" >> "$config" |
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358 | echo "CONFIG_TOOLCHAIN_PREFIX=\"$prefix\"" >> "$config" |
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359 | echo "CONFIG_TARGET_NAME=\"$target\"" >> "$config" |
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360 | |||
361 | if [ "$LIBC_TYPE" != glibc ]; then |
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362 | echo "CONFIG_TOOLCHAIN_LIBC=\"$LIBC_TYPE\"" >> "$config" |
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363 | fi |
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364 | |||
365 | local lib |
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366 | for lib in C RT PTHREAD GCC STDCPP SSP GFORTRAN GOMP; do |
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367 | local file |
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368 | local spec="" |
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369 | local llib="$(echo "$lib" | sed -e 's#.*#\L&#')" |
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370 | for file in $(find_libs "$lib"); do |
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371 | spec="${spec:+$spec }$(echo "$file" | sed -e "s#^$TOOLCHAIN#.#")" |
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372 | done |
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373 | if [ -n "$spec" ]; then |
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374 | echo "CONFIG_PACKAGE_lib${llib}=y" >> "$config" |
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375 | echo "CONFIG_LIB${lib}_FILE_SPEC=\"$spec\"" >> "$config" |
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376 | else |
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377 | echo "# CONFIG_PACKAGE_lib${llib} is not set" >> "$config" |
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378 | fi |
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379 | done |
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380 | |||
381 | local bin |
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382 | for bin in LDD LDCONFIG; do |
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383 | local file |
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384 | local spec="" |
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385 | local lbin="$(echo "$bin" | sed -e 's#.*#\L&#')" |
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386 | for file in $(find_bins "$bin"); do |
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387 | spec="${spec:+$spec }$(echo "$file" | sed -e "s#^$TOOLCHAIN#.#")" |
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388 | done |
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389 | if [ -n "$spec" ]; then |
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390 | echo "CONFIG_PACKAGE_${lbin}=y" >> "$config" |
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391 | echo "CONFIG_${bin}_FILE_SPEC=\"$spec\"" >> "$config" |
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392 | else |
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393 | echo "# CONFIG_PACKAGE_${lbin} is not set" >> "$config" |
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394 | fi |
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395 | done |
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396 | |||
397 | # inflate |
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398 | make -C "${0%/scripts/*}" defconfig |
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399 | return 0 |
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400 | } |
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401 | |||
402 | |||
403 | probe_cc() { |
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404 | if [ -z "$CC" ]; then |
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405 | local bin |
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406 | for bin in "bin" "usr/bin" "usr/local/bin"; do |
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407 | local cmd |
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408 | for cmd in "$TOOLCHAIN/$bin/"*-*cc*; do |
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409 | if [ -x "$cmd" ] && [ ! -h "$cmd" ]; then |
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410 | CC="$(cd "${cmd%/*}"; pwd)/${cmd##*/}" |
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411 | return 0 |
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412 | fi |
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413 | done |
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414 | done |
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415 | return 1 |
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416 | fi |
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417 | return 0 |
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418 | } |
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419 | |||
420 | probe_cxx() { |
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421 | if [ -z "$CXX" ]; then |
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422 | local bin |
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423 | for bin in "bin" "usr/bin" "usr/local/bin"; do |
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424 | local cmd |
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425 | for cmd in "$TOOLCHAIN/$bin/"*-*++*; do |
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426 | if [ -x "$cmd" ] && [ ! -h "$cmd" ]; then |
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427 | CXX="$(cd "${cmd%/*}"; pwd)/${cmd##*/}" |
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428 | return 0 |
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429 | fi |
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430 | done |
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431 | done |
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432 | return 1 |
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433 | fi |
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434 | return 0 |
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435 | } |
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436 | |||
437 | probe_cpp() { |
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438 | if [ -z "$CPP" ]; then |
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439 | local bin |
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440 | for bin in "bin" "usr/bin" "usr/local/bin"; do |
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441 | local cmd |
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442 | for cmd in "$TOOLCHAIN/$bin/"*-cpp*; do |
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443 | if [ -x "$cmd" ] && [ ! -h "$cmd" ]; then |
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444 | CPP="$(cd "${cmd%/*}"; pwd)/${cmd##*/}" |
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445 | return 0 |
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446 | fi |
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447 | done |
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448 | done |
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449 | return 1 |
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450 | fi |
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451 | return 0 |
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452 | } |
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453 | |||
454 | probe_libc() { |
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455 | if [ -z "$LIBC_TYPE" ]; then |
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456 | if test_uclibc; then |
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457 | LIBC_TYPE="uclibc" |
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458 | else |
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459 | LIBC_TYPE="glibc" |
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460 | fi |
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461 | fi |
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462 | return 0 |
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463 | } |
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464 | |||
465 | |||
466 | while [ -n "$1" ]; do |
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467 | arg="$1"; shift |
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468 | case "$arg" in |
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469 | --toolchain) |
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470 | [ -d "$1" ] || { |
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471 | echo "Toolchain directory '$1' does not exist." >&2 |
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472 | exit 1 |
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473 | } |
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474 | TOOLCHAIN="$(cd "$1"; pwd)"; shift |
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475 | ;; |
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476 | |||
477 | --cflags) |
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478 | CFLAGS="${CFLAGS:+$CFLAGS }$1"; shift |
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479 | ;; |
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480 | |||
481 | --print-libc) |
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482 | if probe_cc; then |
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483 | probe_libc |
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484 | echo "$LIBC_TYPE" |
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485 | exit 0 |
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486 | fi |
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487 | echo "No C compiler found in '$TOOLCHAIN'." >&2 |
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488 | exit 1 |
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489 | ;; |
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490 | |||
491 | --print-target) |
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492 | if probe_cc; then |
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493 | exec "$CC" $CFLAGS -dumpmachine |
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494 | fi |
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495 | echo "No C compiler found in '$TOOLCHAIN'." >&2 |
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496 | exit 1 |
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497 | ;; |
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498 | |||
499 | --print-bin) |
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500 | if [ -z "$1" ]; then |
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501 | echo "Available programs:" >&2 |
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502 | echo $(echo "$BIN_SPECS" | sed -ne 's#:.*$##p') >&2 |
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503 | exit 1 |
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504 | fi |
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505 | |||
506 | find_bins "$1" || exec "$0" --toolchain "$TOOLCHAIN" --print-bin |
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507 | exit 0 |
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508 | ;; |
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509 | |||
510 | --print-libs) |
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511 | if [ -z "$1" ]; then |
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512 | echo "Available libraries:" >&2 |
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513 | echo $(echo "$LIB_SPECS" | sed -ne 's#:.*$##p') >&2 |
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514 | exit 1 |
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515 | fi |
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516 | |||
517 | find_libs "$1" || exec "$0" --toolchain "$TOOLCHAIN" --print-libs |
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518 | exit 0 |
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519 | ;; |
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520 | |||
521 | --test) |
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522 | test_feature "$1" |
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523 | exit $? |
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524 | ;; |
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525 | |||
526 | --wrap) |
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527 | [ -n "$1" ] || exec "$0" --help |
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528 | wrap_bins "$1" |
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529 | exit $? |
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530 | ;; |
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531 | |||
532 | --config) |
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533 | if probe_cc; then |
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534 | print_config "$1" |
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535 | exit $? |
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536 | fi |
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537 | echo "No C compiler found in '$TOOLCHAIN'." >&2 |
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538 | exit 1 |
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539 | ;; |
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540 | |||
541 | -h|--help) |
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542 | me="$(basename "$0")" |
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543 | echo -e "\nUsage:\n" >&2 |
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544 | echo -e " $me --toolchain {directory} --print-libc" >&2 |
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545 | echo -e " Print the libc implementation and exit.\n" >&2 |
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546 | echo -e " $me --toolchain {directory} --print-target" >&2 |
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547 | echo -e " Print the GNU target name and exit.\n" >&2 |
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548 | echo -e " $me --toolchain {directory} --print-bin {program}" >&2 |
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549 | echo -e " Print executables belonging to given program," >&2 |
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550 | echo -e " omit program argument to get a list of names.\n" >&2 |
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551 | echo -e " $me --toolchain {directory} --print-libs {library}" >&2 |
||
552 | echo -e " Print shared objects belonging to given library," >&2 |
||
553 | echo -e " omit library argument to get a list of names.\n" >&2 |
||
554 | echo -e " $me --toolchain {directory} --test {feature}" >&2 |
||
555 | echo -e " Test given feature, exit code indicates success." >&2 |
||
556 | echo -e " Possible features are 'c', 'c++', 'softfloat'," >&2 |
||
557 | echo -e " 'lfs', 'rpc', 'ipv6', 'wchar', 'locale' and " >&2 |
||
558 | echo -e " 'threads'.\n" >&2 |
||
559 | echo -e " $me --toolchain {directory} --wrap {directory}" >&2 |
||
560 | echo -e " Create wrapper scripts for C and C++ compiler, " >&2 |
||
561 | echo -e " linker, assembler and other key executables in " >&2 |
||
562 | echo -e " the directory given with --wrap.\n" >&2 |
||
563 | echo -e " $me --toolchain {directory} --config {target}" >&2 |
||
564 | echo -e " Analyze the given toolchain and print a suitable" >&2 |
||
565 | echo -e " .config for the given target. Omit target " >&2 |
||
566 | echo -e " argument to get a list of names.\n" >&2 |
||
567 | echo -e " $me --help" >&2 |
||
568 | echo -e " Display this help text and exit.\n\n" >&2 |
||
569 | echo -e " Most commands also take a --cflags parameter which " >&2 |
||
570 | echo -e " is used to specify C flags to be passed to the " >&2 |
||
571 | echo -e " cross compiler when performing tests." >&2 |
||
572 | echo -e " This paremter may be repeated multiple times." >&2 |
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573 | exit 1 |
||
574 | ;; |
||
575 | |||
576 | *) |
||
577 | echo "Unknown argument '$arg'" >&2 |
||
578 | exec $0 --help |
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579 | ;; |
||
580 | esac |
||
581 | done |
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582 | |||
583 | exec $0 --help |