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Merge topic 'bootstrap-toolchains'

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2ad2c2d bootstrap: Detect known C/C++ compiler toolchains
This commit is contained in:
Brad King 2010-07-13 14:44:11 -04:00 committed by CMake Topic Stage
commit e562a938ca
1 changed files with 69 additions and 2 deletions
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71
bootstrap
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@ -650,11 +650,74 @@ if ${cmake_system_haiku}; then
cmake_ld_flags="${LDFLAGS} -lroot -lbe"
fi
#-----------------------------------------------------------------------------
# Detect known toolchains on some platforms.
cmake_toolchains=''
case "${cmake_system}" in
*AIX*) cmake_toolchains='XL GNU' ;;
*CYGWIN*) cmake_toolchains='GNU' ;;
*Darwin*) cmake_toolchains='GNU Clang' ;;
*Linux*) cmake_toolchains='GNU Clang XL PGI PathScale' ;;
*MINGW*) cmake_toolchains='GNU' ;;
esac
# Toolchain compiler name table.
cmake_toolchain_Clang_CC='clang'
cmake_toolchain_Clang_CXX='clang++'
cmake_toolchain_GNU_CC='gcc'
cmake_toolchain_GNU_CXX='g++'
cmake_toolchain_PGI_CC='pgcc'
cmake_toolchain_PGI_CXX='pgCC'
cmake_toolchain_PathScale_CC='pathcc'
cmake_toolchain_PathScale_CXX='pathCC'
cmake_toolchain_XL_CC='xlc'
cmake_toolchain_XL_CXX='xlC'
cmake_toolchain_try()
{
tc="$1"
TMPFILE=`cmake_tmp_file`
eval "tc_CC=\${cmake_toolchain_${tc}_CC}"
echo 'int main() { return 0; }' > "${TMPFILE}.c"
cmake_try_run "$tc_CC" "" "${TMPFILE}.c" >> cmake_bootstrap.log 2>&1
tc_result_CC="$?"
rm -f "${TMPFILE}.c"
test "${tc_result_CC}" = "0" || return 1
eval "tc_CXX=\${cmake_toolchain_${tc}_CXX}"
echo 'int main() { return 0; }' > "${TMPFILE}.cpp"
cmake_try_run "$tc_CXX" "" "${TMPFILE}.cpp" >> cmake_bootstrap.log 2>&1
tc_result_CXX="$?"
rm -f "${TMPFILE}.cpp"
test "${tc_result_CXX}" = "0" || return 1
cmake_toolchain="$tc"
}
cmake_toolchain_detect()
{
cmake_toolchain=
for tc in ${cmake_toolchains}; do
echo "Checking for $tc toolchain" >> cmake_bootstrap.log 2>&1
cmake_toolchain_try "$tc" &&
echo "Found $tc toolchain" &&
break
done
}
if [ -z "${CC}" -a -z "${CXX}" ]; then
cmake_toolchain_detect
fi
#-----------------------------------------------------------------------------
# Test C compiler
cmake_c_compiler=
# If CC is set, use that for compiler, otherwise use list of known compilers
if [ -n "${CC}" ]; then
if [ -n "${cmake_toolchain}" ]; then
eval cmake_c_compilers="\${cmake_toolchain_${cmake_toolchain}_CC}"
elif [ -n "${CC}" ]; then
cmake_c_compilers="${CC}"
else
cmake_c_compilers="${CMAKE_KNOWN_C_COMPILERS}"
@ -697,13 +760,16 @@ See cmake_bootstrap.log for compilers attempted.
fi
echo "C compiler on this system is: ${cmake_c_compiler} ${cmake_c_flags}"
#-----------------------------------------------------------------------------
# Test CXX compiler
cmake_cxx_compiler=
# On Mac OSX, CC is the same as cc, so make sure not to try CC as c++ compiler.
# If CC is set, use that for compiler, otherwise use list of known compilers
if [ -n "${CXX}" ]; then
if [ -n "${cmake_toolchain}" ]; then
eval cmake_cxx_compilers="\${cmake_toolchain_${cmake_toolchain}_CXX}"
elif [ -n "${CXX}" ]; then
cmake_cxx_compilers="${CXX}"
else
cmake_cxx_compilers="${CMAKE_KNOWN_CXX_COMPILERS}"
@ -754,6 +820,7 @@ See cmake_bootstrap.log for compilers attempted."
fi
echo "C++ compiler on this system is: ${cmake_cxx_compiler} ${cmake_cxx_flags}"
#-----------------------------------------------------------------------------
# Test Make
cmake_make_processor=