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(-) configure.ac (-13 / +29 lines)
 Lines 26-32    Link Here  
extern "C" {
extern "C" {
#endif
#endif

            

              
#if defined(__GNUC__) && __GNUC__ >= 4

              
#include <config.h>

            

            

              

              

            

            

              

              
#ifdef HAVE_VISIBILITY_HIDDEN

            

        
#    define EXPORT_SYMBOL __attribute__((visibility("default")))
#    define EXPORT_SYMBOL __attribute__((visibility("default")))

        
#else
#else

        
#    define EXPORT_SYMBOL
#    define EXPORT_SYMBOL

  

    

    

       Lines 36-42
       
    
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INCLUDES = -I$(srcdir)/../include
INCLUDES = -I$(srcdir)/../include

        

            

              
AM_CFLAGS = $(GLIB_CFLAGS) -DG_DISABLE_DEPRECATED -D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 -D_REENTRANT -Wall -Waggregate-return -Wmissing-declarations -Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes -Winline -pipe $(FVISIBILITY)

              
AM_CFLAGS = $(GLIB_CFLAGS) -DG_DISABLE_DEPRECATED \

            

            

              

              
	-D_LARGEFILE_SOURCE=1 -D_LARGE_FILES -D_FILE_OFFSET_BITS=64 \

            

            

              

              
	-D_REENTRANT -Wall -Waggregate-return -Wmissing-declarations \

            

            

              

              
	-Wmissing-prototypes -Wredundant-decls -Wshadow -Wstrict-prototypes \

            

            

              

              
	-Winline -pipe @GCC_FVISIBILITY_HIDDEN@

            

        

        
install-data-hook:
install-data-hook:

        
	( \
	( \

  

    

    

       Lines 48-67
       
    
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AC_PROG_CC
AC_PROG_CC

        

        
# GCC 4.x -fvisibility=hidden {
# GCC 4.x -fvisibility=hidden {

            

              
FVISIBILITY=""

              
AC_DEFUN([CHECK_GCC_FVISIBILITY],

            

            

              

              
[

            

        
AC_LANG_PUSH(C)
AC_LANG_PUSH(C)

            

              
saved_cflags="$CFLAGS"

              
saved_CFLAGS="$CFLAGS"

            

            

              
CFLAGS="$CFLAGS -fvisibility=hidden"

              
CFLAGS="$saved_CFLAGS -fvisibility=hidden"

            

            

              
AC_CACHE_CHECK([whether $CC supports -fvisibility=hidden], [ac_cv_gcc_fvis],

              
AC_CACHE_CHECK([whether compiler accepts -fvisibility=hidden],

            

            

              
    [AC_COMPILE_IFELSE([ ], [ac_cv_gcc_fvis=yes], [ac_cv_gcc_fvis=no])])

              
[cv_fvisibility_hidden],

            

            

              
CFLAGS="$saved_cflags"

              
	AC_COMPILE_IFELSE(

            

            

              
if test "$ac_cv_gcc_fvis" = yes; then

              
		AC_LANG_PROGRAM(

            

            

              
    FVISIBILITY="-fvisibility=hidden"

              
		[],

            

            

              
else

              
		[]),

            

            

              
    FVISIBILITY=""

              
		[cv_fvisibility_hidden=yes],

            

            

              

              
		[cv_fvisibility_hidden=no]

            

            

              

              
	)

            

            

              

              
)

            

            

              

              
if test "$cv_fvisibility_hidden" = "yes"; then

            

            

              

              
AC_DEFINE(HAVE_VISIBILITY_HIDDEN, [],

            

            

              

              
        [True if compiler supports -fvisibility=hidden])

            

            

              

              
AC_SUBST(GCC_FVISIBILITY_HIDDEN, [-fvisibility=hidden])

            

        
fi
fi

            

              
AC_SUBST(FVISIBILITY)

              
CFLAGS="$saved_CFLAGS"

            

        
AC_LANG_POP(C)
AC_LANG_POP(C)

            

              
              
])dnl

            

            

              
              
CHECK_GCC_FVISIBILITY()

            

        
# }
# }

        

        
AC_PROG_INSTALL
AC_PROG_INSTALL