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CMake: detect an ELF-based system using the feature support 

That way, we can remove hardcoded "LINUX" checks which should apply to
all ELF-based systems (BSDs other than Darwin, QNX, etc., even Solaris
if someone still has that).

Pick-to: 6.10
Change-Id: I9f61e1912e5da705c96cfffd019880d57307b2ee
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
This commit is contained in:
Thiago Macieira 2025-08-07 10:13:23 -07:00
parent 51bc150382
commit 79a50b92d9
1 changed files with 20 additions and 3 deletions
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23
configure.cmake
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@ -311,6 +311,18 @@ int main(void)
CXX_STANDARD 26
)
qt_config_compile_test(elf
LABEL "ELF system"
CODE
"#ifdef __ELF__
#include <elf.h>
#else
#error __ELF__ not defined
#endif
int main() { return 0; }
"
)
qt_config_linker_supports_flag_test(linker_dynamic_list
LABEL "--dynamic-list support"
# doesn't matter that it's an .in, it just has to be the right syntax
@ -652,10 +664,15 @@ qt_feature("rpath" PUBLIC
CONDITION BUILD_SHARED_LIBS AND UNIX AND NOT WIN32 AND NOT ANDROID
)
qt_feature_config("rpath" QMAKE_PUBLIC_QT_CONFIG)
qt_feature("elf"
LABEL "ELF system"
AUTODETECT UNIX AND NOT APPLE
CONDITION TEST_elf
)
qt_feature("elf_private_full_version" PRIVATE
LABEL "Use Qt's full version number in ELF version symbols"
AUTODETECT OFF
CONDITION BUILD_SHARED_LIBS AND UNIX AND NOT APPLE
CONDITION BUILD_SHARED_LIBS AND QT_FEATURE_elf
)
qt_feature_config("elf_private_full_version" QMAKE_PRIVATE_QT_CONFIG)
qt_feature("force_asserts" PUBLIC
@ -778,7 +795,7 @@ endif()
qt_feature("enable_new_dtags"
LABEL "Using new DTAGS"
CONDITION LINUX AND TEST_enable_new_dtags
CONDITION QT_FEATURE_elf AND TEST_enable_new_dtags
)
qt_feature_config("enable_new_dtags" QMAKE_PRIVATE_CONFIG)
qt_feature("enable_gdb_index"
@ -1325,7 +1342,7 @@ qt_configure_add_summary_entry(
)
qt_configure_add_summary_entry(
ARGS "enable_new_dtags"
CONDITION LINUX
CONDITION QT_FEATURE_elf
)
qt_configure_add_summary_entry(
ARGS "enable_gdb_index"