configure: replace XIPH_C_FIND_ENDIAN by AC_C_BIGENDIAN

[platform/upstream/flac.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 2db9035..f206b32 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -25,6 +25,8 @@ AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([foreign -Wall tar-pax no-dist-gzip dist-xz subdir-objects])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
+user_cflags=$CFLAGS
+
 #Prefer whatever the current ISO standard is.
 AC_PROG_CC_STDC
 AC_USE_SYSTEM_EXTENSIONS
@@ -68,7 +70,15 @@ AC_CHECK_HEADERS([sys/param.h])
 
 XIPH_C_BSWAP32
 
-XIPH_C_FIND_ENDIAN
+ac_cv_c_big_endian=0
+ac_cv_c_little_endian=0
+AC_C_BIGENDIAN([ac_cv_c_big_endian=1], [ac_cv_c_little_endian=1], [
+       AC_MSG_WARN([[*****************************************************************]])
+       AC_MSG_WARN([[*** Not able to determine endian-ness of target processor.       ]])
+       AC_MSG_WARN([[*** The constants CPU_IS_BIG_ENDIAN and CPU_IS_LITTLE_ENDIAN in  ]])
+       AC_MSG_WARN([[*** config.h may need to be hand editied.                        ]])
+       AC_MSG_WARN([[*****************************************************************]])
+])
 AC_DEFINE_UNQUOTED(CPU_IS_BIG_ENDIAN, ${ac_cv_c_big_endian},
                                        [Target processor is big endian.])
 AC_DEFINE_UNQUOTED(CPU_IS_LITTLE_ENDIAN, ${ac_cv_c_little_endian},
@@ -346,7 +356,9 @@ if test "x$debug" = xtrue; then
 else
        CPPFLAGS="-DNDEBUG $CPPFLAGS"
        if test "x$GCC" = xyes; then
-    CFLAGS="-O3 -funroll-loops -Wall -W -Winline $CFLAGS"
+               if test "x$user_cflags" = x; then
+                       CFLAGS="-O3 -funroll-loops -Wall -W -Winline"
+               fi
        fi
 fi
 
@@ -356,9 +368,15 @@ if test x$ac_cv_c_compiler_gnu = xyes ; then
        if test x$enable_gcc_werror = "xyes" ; then
                CFLAGS="-Wall -Wextra -Werror $CFLAGS"
                CXXFLAGS="-Wall -Wextra -Werror $CXXFLAGS"
-               fi
        fi
 
+       if test "$GCC_MAJOR_VERSION" -ge 4 && test "$OBJ_FORMAT" = elf; then
+               CPPFLAGS="$CPPFLAGS -DFLAC__USE_VISIBILITY_ATTR"
+               CFLAGS="$CFLAGS -fvisibility=hidden"
+               CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
+       fi
+fi
+
 
 #@@@
 AM_CONDITIONAL(FLaC__HAS_AS__TEMPORARILY_DISABLED, test "yes" = "no")