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Fix quadmath detection in CMake for Cross-Compilation

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Matt Borland
2025-10-26 13:20:14 +01:00
parent 0c8358acfa
commit b024cfc8da
1 changed files with 2 additions and 15 deletions
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17
CMakeLists.txt
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@@ -19,22 +19,9 @@ target_include_directories(boost_charconv PUBLIC include)
# find_library for quadmath does not always work so attempt
# to compile the trivial test case we use with B2
include(CheckCXXSourceRuns)
set(BOOST_CHARCONV_QUADMATH_TEST_SOURCE
"
#include <quadmath.h>
int main()
{
__float128 f = -2.0Q;
f = fabsq(f);
__float128 big = HUGE_VALQ;
return f == big;
}
")
include(CheckCXXSourceCompiles)
set(CMAKE_REQUIRED_LIBRARIES "quadmath")
check_cxx_source_runs("${BOOST_CHARCONV_QUADMATH_TEST_SOURCE}" BOOST_CHARCONV_QUADMATH_FOUND)
check_cxx_source_compiles("#include <${CMAKE_CURRENT_SOURCE_DIR}/config/has_float128.cpp>" BOOST_CHARCONV_QUADMATH_FOUND)
set(CMAKE_REQUIRED_LIBRARIES "")
target_link_libraries(boost_charconv