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cmake: Check if the linker supports version scripts

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Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Andreas Schneider
2018-08-24 15:36:43 +02:00
parent d0f3cdfa10
commit 4de8ed684b
2 changed files with 18 additions and 4 deletions
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14
ConfigureChecks.cmake
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@ -369,6 +369,20 @@ int main(void) {
# Stop treating warnings as errors
unset(CMAKE_REQUIRED_FLAGS)
# Check for version script support
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/conftest.map" "VERS_1 {
global: sym;
};
VERS_2 {
global: sym;
} VERS_1;
")
set(CMAKE_REQUIRED_FLAGS "-Wl,--version-script=\"${CMAKE_CURRENT_BINARY_DIR}/conftest.map\"")
check_c_source_compiles("int main(void) { return 0; }" HAVE_LD_VERSION_SCRIPT)
unset(CMAKE_REQUIRED_FLAGS)
file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/conftest.map")
if (WITH_DEBUG_CRYPTO)
set(DEBUG_CRYPTO 1)
endif (WITH_DEBUG_CRYPTO)