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Update tde_setup_gcc_visibility macro

+ In the test include kdemacros.h with detected full path to avoid FTBFS.
+ Do not test gcc visibility on TDE unless the current module uses TDE.
+ Do not test gcc visibility on TQt unless the current module uses TQt.
+ Improve test for gcc visibility on TQt to make it more accurate.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
pull/24/head
Slávek Banko 3 years ago
parent
commit
f8254e1561
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  1. 64
      modules/TDEMacros.cmake

64
modules/TDEMacros.cmake

@ -1869,37 +1869,41 @@ macro( tde_setup_gcc_visibility )
tde_message_fatal( "gcc visibility support was requested, but your system is not *NIX" )
endif( NOT UNIX )
find_library( TQT_LIBFILE tqt-mt HINTS "${TQT_LIBRARY_DIRS}" )
if( NOT "${TQT_LIBFILE}" STREQUAL "TQT_LIBFILE-NOTFOUND" )
message( STATUS "Performing Test HAVE_TQT_VISIBILITY" )
execute_process(
COMMAND readelf --syms "${TQT_LIBFILE}"
OUTPUT_VARIABLE HAVE_TQT_VISIBILITY
)
if( "${HAVE_TQT_VISIBILITY}" STREQUAL "" OR
"${HAVE_TQT_VISIBILITY}" MATCHES "DEFAULT[^\n]*QSettingsPrivate" )
message( STATUS "Performing Test HAVE_TQT_VISIBILITY - Failed" )
tde_message_fatal( "gcc visibility support was requested, but not supported in tqt library" )
if( TQT_FOUND )
find_library( TQT_LIBFILE tqt-mt HINTS "${TQT_LIBRARY_DIRS}" )
if( NOT "${TQT_LIBFILE}" STREQUAL "TQT_LIBFILE-NOTFOUND" )
message( STATUS "Performing Test HAVE_TQT_VISIBILITY" )
execute_process(
COMMAND readelf --syms "${TQT_LIBFILE}"
OUTPUT_VARIABLE HAVE_TQT_VISIBILITY
)
if( "${HAVE_TQT_VISIBILITY}" STREQUAL "" OR
"${HAVE_TQT_VISIBILITY}" MATCHES "GLOBAL[\t ]+DEFAULT[^\n]+QSettingsPrivate" )
message( STATUS "Performing Test HAVE_TQT_VISIBILITY - Failed" )
tde_message_fatal( "gcc visibility support was requested, but not supported in tqt library" )
endif( )
message( STATUS "Performing Test HAVE_TQT_VISIBILITY - Success" )
endif( )
message( STATUS "Performing Test HAVE_TQT_VISIBILITY - Success" )
endif( )
find_file( TDEMACROS_H kdemacros.h HINTS "${TDE_INCLUDE_DIR}" )
if( NOT "${TDEMACROS_H}" STREQUAL "TDEMACROS_H-NOTFOUND" )
tde_save_and_set( CMAKE_REQUIRED_INCLUDES "${TDE_INCLUDE_DIR}" )
check_cxx_source_compiles( "
#include <kdemacros.h>
#ifndef __KDE_HAVE_GCC_VISIBILITY
#error gcc visibility is not enabled in tdelibs
#endif
int main() { return 0; } "
HAVE_TDE_VISIBILITY
)
tde_restore( CMAKE_REQUIRED_INCLUDES )
if( NOT HAVE_TDE_VISIBILITY )
tde_message_fatal( "gcc visibility support was requested, but not supported in tdelibs" )
endif( NOT HAVE_TDE_VISIBILITY )
endif( )
endif( TQT_FOUND )
if( TDE_FOUND )
find_file( TDEMACROS_H kdemacros.h HINTS "${TDE_INCLUDE_DIR}" )
if( NOT "${TDEMACROS_H}" STREQUAL "TDEMACROS_H-NOTFOUND" )
tde_save_and_set( CMAKE_REQUIRED_INCLUDES "${TDE_INCLUDE_DIR}" )
check_cxx_source_compiles( "
#include <${TDEMACROS_H}>
#ifndef __KDE_HAVE_GCC_VISIBILITY
#error gcc visibility is not enabled in tdelibs
#endif
int main() { return 0; } "
HAVE_TDE_VISIBILITY
)
tde_restore( CMAKE_REQUIRED_INCLUDES )
if( NOT HAVE_TDE_VISIBILITY )
tde_message_fatal( "gcc visibility support was requested, but not supported in tdelibs" )
endif( NOT HAVE_TDE_VISIBILITY )
endif( )
endif( TDE_FOUND )
set( __KDE_HAVE_GCC_VISIBILITY 1 )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden")

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