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For certain compilers we embed the compiler version used to build nginx in the binary, retrievable via 'nginx -V', e.g. $ ./objs/nginx -V ... built by gcc 15.2.1 20250808 (Red Hat 15.2.1-1) (GCC) ... However if the CFLAGS environment variable is set this would be omitted. This is due to the compiler specific auto/cc files not being run when the CFLAGS environment variable is set, this is so entities can set their own compiler flags, and thus the NGX_COMPILER variable isn't set. Nonetheless it is a useful thing to have so re-work the auto scripts to move the version gathering out of the individual auto/cc/$NGX_CC_NAME files and merge them into auto/cc/name. Link: <https://github.com/nginx/nginx/issues/878>
103 lines
2.7 KiB
Text
103 lines
2.7 KiB
Text
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# Copyright (C) Igor Sysoev
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# Copyright (C) Nginx, Inc.
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if [ "$NGX_PLATFORM" != win32 ]; then
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ngx_feature="C compiler"
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ngx_feature_name=
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ngx_feature_run=yes
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ngx_feature_incs=
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ngx_feature_path=
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ngx_feature_libs=
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ngx_feature_test=
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. auto/feature
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if [ $ngx_found = no ]; then
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echo
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echo $0: error: C compiler $CC is not found
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echo
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exit 1
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fi
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fi
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if [ "$CC" = cl ]; then
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NGX_CC_NAME=msvc
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echo " + using Microsoft Visual C++ compiler"
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NGX_CC_VER=`$NGX_WINE $CC 2>&1 \
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| grep 'C/C++.* [0-9][0-9]*\.[0-9]' 2>&1 \
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| sed -e 's/^.* \([0-9][0-9]*\.[0-9].*\)/\1/'`
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echo " + cl version: $NGX_CC_VER"
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have=NGX_COMPILER value="\"cl $NGX_CC_VER\"" . auto/define
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elif [ "$CC" = wcl386 ]; then
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NGX_CC_NAME=owc
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echo " + using Open Watcom C compiler"
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elif [ "$CC" = bcc32 ]; then
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NGX_CC_NAME=bcc
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echo " + using Borland C++ compiler"
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elif `$CC -V 2>&1 | grep '^Intel(R) C' >/dev/null 2>&1`; then
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NGX_CC_NAME=icc
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echo " + using Intel C++ compiler"
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NGX_CC_VER=`$CC -V 2>&1 \
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| sed -n -e 's/^.* Version \([^ ]*\) *Build.*$/\1/p'`
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echo " + icc version: $NGX_CC_VER"
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have=NGX_COMPILER value="\"Intel C Compiler $NGX_CC_VER\"" . auto/define
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elif `$CC -v 2>&1 | grep 'gcc version' >/dev/null 2>&1`; then
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NGX_CC_NAME=gcc
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echo " + using GNU C compiler"
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NGX_CC_VER=`$CC -v 2>&1 | sed -n -e 's/^.*gcc version \(.*\)/\1/p'`
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echo " + gcc version: $NGX_CC_VER"
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have=NGX_COMPILER value="\"gcc $NGX_CC_VER\"" . auto/define
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elif `$CC -v 2>&1 | grep 'clang version' >/dev/null 2>&1`; then
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NGX_CC_NAME=clang
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echo " + using Clang C compiler"
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NGX_CC_VER=`$CC -v 2>&1 | sed -n -e 's/^.*clang version \(.*\)/\1/p'`
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echo " + clang version: $NGX_CC_VER"
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have=NGX_COMPILER value="\"clang $NGX_CC_VER\"" . auto/define
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elif `$CC -v 2>&1 | grep 'LLVM version' >/dev/null 2>&1`; then
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NGX_CC_NAME=clang
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echo " + using Clang C compiler"
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NGX_CC_VER=`$CC -v 2>&1 | sed -n -e 's/^.*LLVM version \(.*\)/\1/p'`
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echo " + clang version: $NGX_CC_VER"
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have=NGX_COMPILER value="\"clang $NGX_CC_VER\"" . auto/define
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elif `$CC -V 2>&1 | grep 'Sun C' >/dev/null 2>&1`; then
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NGX_CC_NAME=sunc
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echo " + using Sun C compiler"
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NGX_CC_VER=`$CC -V 2>&1 | sed -n -e 's/^.* Sun C \(.*\)/\1/p'`
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echo " + Sun C version: $NGX_CC_VER"
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have=NGX_COMPILER value="\"Sun C $NGX_CC_VER\"" . auto/define
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elif `$CC -V 2>&1 | grep '^Compaq C' >/dev/null 2>&1`; then
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NGX_CC_NAME=ccc
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echo " + using Compaq C compiler"
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elif `$CC -V 2>&1 | grep '^aCC: ' >/dev/null 2>&1`; then
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NGX_CC_NAME=acc
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echo " + using HP aC++ compiler"
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else
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NGX_CC_NAME=unknown
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fi
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