23
23
AC_DEFUN([PANDORA_CHECK_VISIBILITY],
25
25
AC_REQUIRE([AC_PROG_CC])
26
AC_REQUIRE([PANDORA_PLATFORM])
28
29
AS_IF([test -n "$GCC"],[
29
30
AC_MSG_CHECKING([for simple visibility declarations])
30
31
AC_CACHE_VAL([gl_cv_cc_visibility], [
31
32
gl_save_CFLAGS="$CFLAGS"
32
CFLAGS="$CFLAGS -fvisibility=hidden -Werror"
33
CFLAGS="$CFLAGS -fvisibility=hidden"
34
35
[extern __attribute__((__visibility__("hidden"))) int hiddenvar;
35
36
extern __attribute__((__visibility__("default"))) int exportedvar;
36
37
extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
37
38
extern __attribute__((__visibility__("default"))) int exportedfunc (void);],
41
gl_cv_cc_visibility=no
44
gl_cv_cc_visibility=yes
47
],[gl_cv_cc_visibility=no])
40
[gl_cv_cc_visibility=yes],
41
[gl_cv_cc_visibility=no])
48
42
CFLAGS="$gl_save_CFLAGS"])
49
43
AC_MSG_RESULT([$gl_cv_cc_visibility])
50
44
if test $gl_cv_cc_visibility = yes; then
51
45
CFLAG_VISIBILITY="-fvisibility=hidden"
52
CXXFLAG_VISIBILITY="-fvisibility=hidden -fvisibility-inlines-hidden"
53
46
NO_VISIBILITY="-fvisibility=default"
57
50
AS_IF([test "x$SUNCC" = "xyes"],[
58
51
CFLAG_VISIBILITY="-xldscope=hidden"
59
CXXFLAG_VISIBILITY="-xldscope=hidden"
60
52
NO_VISIBILITY="-xldscope=global"
63
55
AC_SUBST([CFLAG_VISIBILITY])
64
AC_SUBST([CXXFLAG_VISIBILITY])
65
56
AC_SUBST([NO_VISIBILITY])
66
57
AC_SUBST([HAVE_VISIBILITY])
67
58
AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY],
71
62
AC_DEFUN([PANDORA_ENABLE_VISIBILITY],[
72
63
AC_REQUIRE([PANDORA_CHECK_VISIBILITY])
73
64
AM_CFLAGS="${AM_CFLAGS} ${CFLAG_VISIBILITY}"
74
AM_CXXFLAGS="${AM_CXXFLAGS} ${CXXFLAG_VISIBILITY}"
65
AM_CXXFLAGS="${AM_CXXFLAGS} ${CFLAG_VISIBILITY}"