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bootstrap: Add infrastructure to detect threading flags

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In our loop to detect -std flags, add another layer to detect
threading flags.
This commit is contained in:
Brad King 2017-11-28 11:22:46 -05:00
parent 8b5ae1c1d3
commit 6e613ff399
1 changed files with 24 additions and 18 deletions
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42
bootstrap
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@ -981,6 +981,8 @@ if [ -z "${CC}" -a -z "${CXX}" ]; then
cmake_toolchain_detect
fi
thread_flags=''
#-----------------------------------------------------------------------------
# Test C compiler
cmake_c_compiler=
@ -1014,16 +1016,18 @@ int main(int argc, char* argv[])
}
' > "${TMPFILE}.c"
for std in 11 99 90; do
try_flags="`cmake_extract_standard_flags \"${cmake_toolchain}\" C \"${std}\"`"
std_flags="`cmake_extract_standard_flags \"${cmake_toolchain}\" C \"${std}\"`"
for compiler in ${cmake_c_compilers}; do
for flag in '' $try_flags; do
echo "Checking whether '${compiler} ${cmake_c_flags} ${flag}' works." >> cmake_bootstrap.log 2>&1
if cmake_try_run "${compiler}" "${cmake_c_flags} ${flag}" \
"${TMPFILE}.c" >> cmake_bootstrap.log 2>&1; then
cmake_c_compiler="${compiler}"
cmake_c_flags="${cmake_c_flags} ${flag}"
break 3
fi
for std_flag in '' $std_flags; do
for thread_flag in '' $thread_flags; do
echo "Checking whether '${compiler} ${cmake_c_flags} ${std_flag} ${thread_flag}' works." >> cmake_bootstrap.log 2>&1
if cmake_try_run "${compiler}" "${cmake_c_flags} ${std_flag} ${thread_flag}" \
"${TMPFILE}.c" >> cmake_bootstrap.log 2>&1; then
cmake_c_compiler="${compiler}"
cmake_c_flags="${cmake_c_flags} ${std_flag} ${thread_flag}"
break 3
fi
done
done
done
done
@ -1081,16 +1085,18 @@ int main()
}
' > "${TMPFILE}.cxx"
for std in 17 14 11; do
try_flags="`cmake_extract_standard_flags \"${cmake_toolchain}\" CXX \"${std}\"`"
std_flags="`cmake_extract_standard_flags \"${cmake_toolchain}\" CXX \"${std}\"`"
for compiler in ${cmake_cxx_compilers}; do
for flag in '' $try_flags; do
echo "Checking whether '${compiler} ${cmake_cxx_flags} ${flag}' works." >> cmake_bootstrap.log 2>&1
if cmake_try_run "${compiler}" "${cmake_cxx_flags} ${flag}" \
"${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then
cmake_cxx_compiler="${compiler}"
cmake_cxx_flags="${cmake_cxx_flags} ${flag} "
break 3
fi
for std_flag in '' $std_flags; do
for thread_flag in '' $thread_flags; do
echo "Checking whether '${compiler} ${cmake_cxx_flags} ${std_flag} ${thread_flag}' works." >> cmake_bootstrap.log 2>&1
if cmake_try_run "${compiler}" "${cmake_cxx_flags} ${std_flag} ${thread_flag}" \
"${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then
cmake_cxx_compiler="${compiler}"
cmake_cxx_flags="${cmake_cxx_flags} ${std_flag} ${thread_flag} "
break 3
fi
done
done
done
done