mirror of
https://github.com/stefanocasazza/ULib.git
synced 2025-09-28 19:05:55 +08:00
72 lines
2.3 KiB
Plaintext
72 lines
2.3 KiB
Plaintext
dnl @synopsis AC_COMPILATION_ENVIRONMENT
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dnl Macros that collect building environment to `configure' script.
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dnl AC_COMPILATION_ENVIRONMENT
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AC_DEFUN([AC_COMPILATION_ENVIRONMENT],[
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dnl Collect building environment
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dnl gcc_version=`${CC} -v 2>&1 | head -n1`
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AC_DEFINE_UNQUOTED(GCC_VERSION, "${gcc_version}", [GNU C/C++ Compiler version])
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ld_version=`${LD} -V 2>/dev/null | head -n1 2>/dev/null`
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if test -z "$ld_version"; then
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ld_version=`${LD} -v -V 2>/dev/null | head -n1 2>/dev/null`
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fi
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if test -z "$ld_version"; then
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ld_version="unknown"
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fi
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AC_DEFINE_UNQUOTED(LD_VERSION, "${ld_version}", [LD Linker version])
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dnl ldd /bin/ls | grep libc.so | awk '{print $3}'
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dnl $(ldd /bin/ls | grep libc.so | awk '{print $3}')
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if test "$cross_compiling" != "yes" && test -e /lib/libc.so.6; then
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libc_version=`getconf GNU_LIBC_VERSION 2>/dev/null`
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if test -z "$libc_version"; then
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if test "`ls -l /lib/libc.so.* | wc -l | sed -e 's/ //g'`" != "0"; then
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libc_version=`ls -l /lib/libc.so.* | sed -e 's/.* //g'`
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dnl Is glibc ?
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tmp_libc_version="`PATH=${PATH}:/lib; $libc_version | grep 'GNU C Library'`"
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if test -n "$tmp_libc_version"; then
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libc_version="$tmp_libc_version"
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else
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libc_version=`echo $libc_version | sed -e 's/\/lib\///g'`
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fi
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else
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libc_version="unknown"
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fi
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fi
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fi
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if test -z "$libc_version"; then
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libc_version="unknown"
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fi
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AC_DEFINE_UNQUOTED(LIBC_VERSION, "${libc_version}", [Standard C lib version])
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if test "$cross_compiling" != "yes"; then
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if test -e /usr/lib/libstdc++.so; then
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LS=`ls -l /usr/lib/libstdc++.so.*`
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if test "`echo $LS | wc -l | sed -e 's/ //g'`" != "0"; then
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stdgpp_version=`echo $LS | sed -e 's/.* //g' | head -n 1`
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else
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stdgpp_dir=`gcc -v 2>&1 | grep "Reading specs from " | sed -e 's/Reading specs from //g' | sed -e 's/\/specs//g'`
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fi
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else
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stdgpp_dir=`gcc -v 2>&1 | grep 'with-gxx-include-dir=' | awk -F'with-gxx-include-dir=' '{ n=2; print $n }' | sed -e 's/\/include.*//g'`
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fi
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if test -n "$stdgpp_dir"; then
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stdgpp_version=`ls -l ${stdgpp_dir}/libstdc++.* 2>/dev/null | tail -n 1 | awk '{ nf=split ($NF, f, "/"); print f[[nf]] }'`
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else
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stdgpp_version="unknown"
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fi
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fi
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if test -z "$stdgpp_version"; then
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stdgpp_version="unknown"
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fi
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AC_DEFINE_UNQUOTED(STDGPP_VERSION, "${stdgpp_version}", [Stardard GNU C++ Library version])
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])
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