Update CMake rules

+ Add WITH_GCC_VISIBILITY option
+ Use common tde_setup_gcc_visibility
+ Add TestBigEndian and tde_setup_largefiles

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit b0c2717fd8)

CMakeLists.txt

@@ -1,6 +1,6 @@
 #################################################
 #
-#  (C) 2015 Slávek Banko
+#  (C) 2015-2019 Slávek Banko
 #  slavek (DOT) banko (AT) axis.cz
 #
 #  Improvements and feedback are welcome
@@ -24,6 +24,7 @@ set( VERSION 2.0.2 )
 include( FindPkgConfig )
 include( CheckCXXSourceCompiles )
 include( CheckFunctionExists )
+include( CheckSymbolExists )
 include( CheckIncludeFile )
 include( CheckLibraryExists )
 
@@ -32,7 +33,6 @@ include( CheckLibraryExists )
 
 set( CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules" )
 include( TDEMacros )
-tde_setup_architecture_flags( )
 
 
 ##### setup install paths #######################
@@ -45,6 +45,7 @@ tde_setup_paths( )
 
 option( WITH_ALL_OPTIONS "Enable all optional support" OFF )
 
+option( WITH_GCC_VISIBILITY "Enable fvisibility and fvisibility-inlines-hidden" OFF )
 OPTION( WITH_LIBLTDL "Build with libltdl" ${WITH_ALL_OPTIONS} )
 
 OPTION( WITH_ALSA_SINK "Build with alsa sink" ${WITH_ALL_OPTIONS} )

ConfigureChecks.cmake

@@ -10,6 +10,20 @@
 #################################################
 
 
+# required stuff
+
+tde_setup_architecture_flags( )
+
+include(TestBigEndian)
+test_big_endian(WORDS_BIGENDIAN)
+
+tde_setup_largefiles( )
+
+if( WITH_GCC_VISIBILITY )
+    tde_setup_gcc_visibility( )
+endif( )
+
+
 ##### check for system libraries ################
 
 if( WITH_LIBLTDL )

akode/lib/CMakeLists.txt

@@ -15,10 +15,6 @@ include_directories(
   ${CMAKE_CURRENT_SOURCE_DIR}
 )
 
-if( UNIX )
-  set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden" )
-  set( __KDE_HAVE_GCC_VISIBILITY 1 )
-endif( UNIX )
 configure_file( akode_export.h.cmake akode_export.h @ONLY )