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authorLauri Kasanen <cand@gmx.com>2014-08-22 19:44:27 +0000
committerLauri Kasanen <cand@gmx.com>2014-08-22 19:44:27 +0000
commit95ba2900f3bc550ad98165e964f5d09b91c05d4f (patch)
tree4bc54e2d2bef4a1ef30563d88610cf8224caca0f
parent7944cc9a5757cce30c6d71838f9bf20ab27d09fb (diff)
Use the -fvisibility checks properly; needed to move ac_prog_cc and _cxx up in the file.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10246 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
-rw-r--r--configure.in43
1 files changed, 39 insertions, 4 deletions
diff --git a/configure.in b/configure.in
index 822478679..631d1e4b6 100644
--- a/configure.in
+++ b/configure.in
@@ -188,6 +188,10 @@ fi
AC_ARG_ENABLE(gl, [ --enable-gl turn on OpenGL support [default=yes]])
+dnl Find commands...
+AC_PROG_CC
+AC_PROG_CXX
+
AC_ARG_ENABLE(shared, [ --enable-shared turn on shared libraries [default=no]])
if test x$enable_shared = xyes; then
PICFLAG=1
@@ -255,8 +259,41 @@ if test x$enable_shared = xyes; then
IMGDSONAME="libfltk_images.so.$FL_API_VERSION"
CAIRODSONAME="libfltk_cairo.so.$FL_API_VERSION"
DSOCOMMAND="\$(CXX) \$(DSOFLAGS) -Wl,-soname,\$@ \$(LDLIBS) -shared -fPIC $DEBUGFLAG -o"
- OPTIM="$OPTIM -fvisibility=hidden"
- CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"
+
+ # See if the compiler supports -fvisibility...
+ AC_CACHE_CHECK([if the compiler supports -fvisibility],
+ ac_cv_cxx_fvisibility, [
+ OLDCXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
+ AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+ AC_TRY_COMPILE(,,
+ ac_cv_cxx_fvisibility=yes,
+ ac_cv_cxx_fvisibility=no)
+ CXXFLAGS="$OLDCXXFLAGS"
+ AC_LANG_RESTORE
+ ])
+ if test x"$ac_cv_cxx_fvisibility" = xyes; then
+ OPTIM="$OPTIM -fvisibility=hidden"
+ fi
+
+ # See if the compiler supports -fvisibility-inlines-hidden...
+ AC_CACHE_CHECK([if the compiler supports -fvisibility-inlines-hidden],
+ ac_cv_cxx_fvisibility_inlines, [
+ OLDCXXFLAGS="$CXXFLAGS"
+ CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"
+ AC_LANG_SAVE
+ AC_LANG_CPLUSPLUS
+ AC_TRY_COMPILE(,,
+ ac_cv_cxx_fvisibility_inlines=yes,
+ ac_cv_cxx_fvisibility_inlines=no)
+ CXXFLAGS="$OLDCXXFLAGS"
+ AC_LANG_RESTORE
+ ])
+ if test x"$ac_cv_cxx_fvisibility_inlines" = xyes; then
+ CXXFLAGS="$CXXFLAGS -fvisibility-inlines-hidden"
+ fi
+
if test "x$libdir" != "x/usr/lib" -a "x$libdir" != "x/usr/lib64"; then
DSOLINK="-Wl,-rpath,$libdir"
fi
@@ -357,8 +394,6 @@ case $host_os in
esac
dnl Find commands...
-AC_PROG_CC
-AC_PROG_CXX
AC_PROG_INSTALL
case $host_os in
osf*)