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-rw-r--r--Makefile.in4
-rw-r--r--config.h.in4
-rwxr-xr-xconfigure92
-rw-r--r--html/Makefile.in4
-rw-r--r--lang/Makefile.in4
-rw-r--r--libtest/Makefile.in4
-rw-r--r--m4/Makefile.in4
-rw-r--r--m4/visibility.m482
-rw-r--r--man/Makefile.in4
-rw-r--r--src/Makefile.in4
-rw-r--r--templates/Makefile.in4
-rw-r--r--tests/Makefile.in4
12 files changed, 204 insertions, 10 deletions
diff --git a/Makefile.in b/Makefile.in
index 87475a5..e6602a0 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -93,7 +93,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/check_zlib.m4 \
$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/snprintf.m4 \
- $(top_srcdir)/configure.ac
+ $(top_srcdir)/m4/visibility.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
DIST_COMMON = $(srcdir)/Makefile.am $(top_srcdir)/configure \
@@ -221,6 +221,7 @@ CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
CFLAGS_PIE = @CFLAGS_PIE@
+CFLAG_VISIBILITY = @CFLAG_VISIBILITY@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CYGPATH_W = @CYGPATH_W@
@@ -239,6 +240,7 @@ EGREP = @EGREP@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GREP = @GREP@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
HTTPS_SUPPORT = @HTTPS_SUPPORT@
ICONV_LIBS = @ICONV_LIBS@
INSTALL = @INSTALL@
diff --git a/config.h.in b/config.h.in
index e124796..2ec2f7d 100644
--- a/config.h.in
+++ b/config.h.in
@@ -48,6 +48,10 @@
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
+/* Define to 1 or 0, depending whether the compiler supports simple visibility
+ declarations. */
+#undef HAVE_VISIBILITY
+
/* Define to 1 if you have the `vsnprintf' function. */
#undef HAVE_VSNPRINTF
diff --git a/configure b/configure
index 24c0fc6..0bac199 100755
--- a/configure
+++ b/configure
@@ -673,6 +673,8 @@ V6_FLAG
OPENSSL_LIBS
HTTPS_SUPPORT
AM_CFLAGS
+HAVE_VISIBILITY
+CFLAG_VISIBILITY
LDFLAGS_PIE
CFLAGS_PIE
DEFAULT_LDFLAGS
@@ -13994,7 +13996,95 @@ fi
### Check for -fvisibility=hidden support
-gl_VISIBILITY
+
+
+ CFLAG_VISIBILITY=
+ HAVE_VISIBILITY=0
+ if test -n "$GCC"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the -Werror option is usable" >&5
+$as_echo_n "checking whether the -Werror option is usable... " >&6; }
+if ${gl_cv_cc_vis_werror+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ gl_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ gl_cv_cc_vis_werror=yes
+else
+ gl_cv_cc_vis_werror=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$gl_save_CFLAGS"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_cc_vis_werror" >&5
+$as_echo "$gl_cv_cc_vis_werror" >&6; }
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for simple visibility declarations" >&5
+$as_echo_n "checking for simple visibility declarations... " >&6; }
+if ${gl_cv_cc_visibility+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ gl_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -fvisibility=hidden"
+ if test $gl_cv_cc_vis_werror = yes; then
+ CFLAGS="$CFLAGS -Werror"
+ fi
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+extern __attribute__((__visibility__("hidden"))) int hiddenvar;
+ extern __attribute__((__visibility__("default"))) int exportedvar;
+ extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
+ extern __attribute__((__visibility__("default"))) int exportedfunc (void);
+ void dummyfunc (void);
+ int hiddenvar;
+ int exportedvar;
+ int hiddenfunc (void) { return 51; }
+ int exportedfunc (void) { return 1225736919; }
+ void dummyfunc (void) {}
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ gl_cv_cc_visibility=yes
+else
+ gl_cv_cc_visibility=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ CFLAGS="$gl_save_CFLAGS"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_cc_visibility" >&5
+$as_echo "$gl_cv_cc_visibility" >&6; }
+ if test $gl_cv_cc_visibility = yes; then
+ CFLAG_VISIBILITY="-fvisibility=hidden"
+ HAVE_VISIBILITY=1
+ fi
+ fi
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_VISIBILITY $HAVE_VISIBILITY
+_ACEOF
+
+
AM_CFLAGS="$AM_CFLAGS $CFLAG_VISIBILITY"
diff --git a/html/Makefile.in b/html/Makefile.in
index 5a0dfce..918c00f 100644
--- a/html/Makefile.in
+++ b/html/Makefile.in
@@ -94,7 +94,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/check_zlib.m4 \
$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/snprintf.m4 \
- $(top_srcdir)/configure.ac
+ $(top_srcdir)/m4/visibility.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
@@ -176,6 +176,7 @@ CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
CFLAGS_PIE = @CFLAGS_PIE@
+CFLAG_VISIBILITY = @CFLAG_VISIBILITY@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CYGPATH_W = @CYGPATH_W@
@@ -194,6 +195,7 @@ EGREP = @EGREP@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GREP = @GREP@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
HTTPS_SUPPORT = @HTTPS_SUPPORT@
ICONV_LIBS = @ICONV_LIBS@
INSTALL = @INSTALL@
diff --git a/lang/Makefile.in b/lang/Makefile.in
index 8c99be7..81b0cb3 100644
--- a/lang/Makefile.in
+++ b/lang/Makefile.in
@@ -94,7 +94,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/check_zlib.m4 \
$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/snprintf.m4 \
- $(top_srcdir)/configure.ac
+ $(top_srcdir)/m4/visibility.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
@@ -166,6 +166,7 @@ CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
CFLAGS_PIE = @CFLAGS_PIE@
+CFLAG_VISIBILITY = @CFLAG_VISIBILITY@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CYGPATH_W = @CYGPATH_W@
@@ -184,6 +185,7 @@ EGREP = @EGREP@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GREP = @GREP@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
HTTPS_SUPPORT = @HTTPS_SUPPORT@
ICONV_LIBS = @ICONV_LIBS@
INSTALL = @INSTALL@
diff --git a/libtest/Makefile.in b/libtest/Makefile.in
index 3779508..2a4f046 100644
--- a/libtest/Makefile.in
+++ b/libtest/Makefile.in
@@ -95,7 +95,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/check_zlib.m4 \
$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/snprintf.m4 \
- $(top_srcdir)/configure.ac
+ $(top_srcdir)/m4/visibility.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
@@ -310,6 +310,7 @@ CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
CFLAGS_PIE = @CFLAGS_PIE@
+CFLAG_VISIBILITY = @CFLAG_VISIBILITY@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CYGPATH_W = @CYGPATH_W@
@@ -328,6 +329,7 @@ EGREP = @EGREP@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GREP = @GREP@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
HTTPS_SUPPORT = @HTTPS_SUPPORT@
ICONV_LIBS = @ICONV_LIBS@
INSTALL = @INSTALL@
diff --git a/m4/Makefile.in b/m4/Makefile.in
index 1dc0446..f4c655d 100644
--- a/m4/Makefile.in
+++ b/m4/Makefile.in
@@ -93,7 +93,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/check_zlib.m4 \
$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/snprintf.m4 \
- $(top_srcdir)/configure.ac
+ $(top_srcdir)/m4/visibility.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
@@ -136,6 +136,7 @@ CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
CFLAGS_PIE = @CFLAGS_PIE@
+CFLAG_VISIBILITY = @CFLAG_VISIBILITY@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CYGPATH_W = @CYGPATH_W@
@@ -154,6 +155,7 @@ EGREP = @EGREP@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GREP = @GREP@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
HTTPS_SUPPORT = @HTTPS_SUPPORT@
ICONV_LIBS = @ICONV_LIBS@
INSTALL = @INSTALL@
diff --git a/m4/visibility.m4 b/m4/visibility.m4
new file mode 100644
index 0000000..f0468e8
--- /dev/null
+++ b/m4/visibility.m4
@@ -0,0 +1,82 @@
+# visibility.m4 serial 8
+dnl Copyright (C) 2005, 2008, 2010-2023 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+
+dnl Tests whether the compiler supports the command-line option
+dnl -fvisibility=hidden and the function and variable attributes
+dnl __attribute__((__visibility__("hidden"))) and
+dnl __attribute__((__visibility__("default"))).
+dnl Does *not* test for __visibility__("protected") - which has tricky
+dnl semantics (see the 'vismain' test in glibc) and does not exist e.g. on
+dnl Mac OS X.
+dnl Does *not* test for __visibility__("internal") - which has processor
+dnl dependent semantics.
+dnl Does *not* test for #pragma GCC visibility push(hidden) - which is
+dnl "really only recommended for legacy code".
+dnl Set the variable CFLAG_VISIBILITY.
+dnl Defines and sets the variable HAVE_VISIBILITY.
+
+AC_DEFUN([gl_VISIBILITY],
+[
+ AC_REQUIRE([AC_PROG_CC])
+ CFLAG_VISIBILITY=
+ HAVE_VISIBILITY=0
+ if test -n "$GCC"; then
+ dnl First, check whether -Werror can be added to the command line, or
+ dnl whether it leads to an error because of some other option that the
+ dnl user has put into $CC $CFLAGS $CPPFLAGS.
+ AC_CACHE_CHECK([whether the -Werror option is usable],
+ [gl_cv_cc_vis_werror],
+ [gl_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -Werror"
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[]], [[]])],
+ [gl_cv_cc_vis_werror=yes],
+ [gl_cv_cc_vis_werror=no])
+ CFLAGS="$gl_save_CFLAGS"
+ ])
+ dnl Now check whether visibility declarations are supported.
+ AC_CACHE_CHECK([for simple visibility declarations],
+ [gl_cv_cc_visibility],
+ [gl_save_CFLAGS="$CFLAGS"
+ CFLAGS="$CFLAGS -fvisibility=hidden"
+ dnl We use the option -Werror and a function dummyfunc, because on some
+ dnl platforms (Cygwin 1.7) the use of -fvisibility triggers a warning
+ dnl "visibility attribute not supported in this configuration; ignored"
+ dnl at the first function definition in every compilation unit, and we
+ dnl don't want to use the option in this case.
+ if test $gl_cv_cc_vis_werror = yes; then
+ CFLAGS="$CFLAGS -Werror"
+ fi
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM(
+ [[extern __attribute__((__visibility__("hidden"))) int hiddenvar;
+ extern __attribute__((__visibility__("default"))) int exportedvar;
+ extern __attribute__((__visibility__("hidden"))) int hiddenfunc (void);
+ extern __attribute__((__visibility__("default"))) int exportedfunc (void);
+ void dummyfunc (void);
+ int hiddenvar;
+ int exportedvar;
+ int hiddenfunc (void) { return 51; }
+ int exportedfunc (void) { return 1225736919; }
+ void dummyfunc (void) {}
+ ]],
+ [[]])],
+ [gl_cv_cc_visibility=yes],
+ [gl_cv_cc_visibility=no])
+ CFLAGS="$gl_save_CFLAGS"
+ ])
+ if test $gl_cv_cc_visibility = yes; then
+ CFLAG_VISIBILITY="-fvisibility=hidden"
+ HAVE_VISIBILITY=1
+ fi
+ fi
+ AC_SUBST([CFLAG_VISIBILITY])
+ AC_SUBST([HAVE_VISIBILITY])
+ AC_DEFINE_UNQUOTED([HAVE_VISIBILITY], [$HAVE_VISIBILITY],
+ [Define to 1 or 0, depending whether the compiler supports simple visibility declarations.])
+])
diff --git a/man/Makefile.in b/man/Makefile.in
index 1badcf2..ce2ecab 100644
--- a/man/Makefile.in
+++ b/man/Makefile.in
@@ -93,7 +93,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/check_zlib.m4 \
$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/snprintf.m4 \
- $(top_srcdir)/configure.ac
+ $(top_srcdir)/m4/visibility.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
@@ -167,6 +167,7 @@ CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
CFLAGS_PIE = @CFLAGS_PIE@
+CFLAG_VISIBILITY = @CFLAG_VISIBILITY@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CYGPATH_W = @CYGPATH_W@
@@ -185,6 +186,7 @@ EGREP = @EGREP@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GREP = @GREP@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
HTTPS_SUPPORT = @HTTPS_SUPPORT@
ICONV_LIBS = @ICONV_LIBS@
INSTALL = @INSTALL@
diff --git a/src/Makefile.in b/src/Makefile.in
index fd25907..21062b2 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -98,7 +98,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/check_zlib.m4 \
$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/snprintf.m4 \
- $(top_srcdir)/configure.ac
+ $(top_srcdir)/m4/visibility.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
@@ -326,6 +326,7 @@ CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
CFLAGS_PIE = @CFLAGS_PIE@
+CFLAG_VISIBILITY = @CFLAG_VISIBILITY@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CYGPATH_W = @CYGPATH_W@
@@ -344,6 +345,7 @@ EGREP = @EGREP@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GREP = @GREP@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
HTTPS_SUPPORT = @HTTPS_SUPPORT@
ICONV_LIBS = @ICONV_LIBS@
INSTALL = @INSTALL@
diff --git a/templates/Makefile.in b/templates/Makefile.in
index 7deb8a7..dcb8e92 100644
--- a/templates/Makefile.in
+++ b/templates/Makefile.in
@@ -94,7 +94,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/check_zlib.m4 \
$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/snprintf.m4 \
- $(top_srcdir)/configure.ac
+ $(top_srcdir)/m4/visibility.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
@@ -166,6 +166,7 @@ CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
CFLAGS_PIE = @CFLAGS_PIE@
+CFLAG_VISIBILITY = @CFLAG_VISIBILITY@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CYGPATH_W = @CYGPATH_W@
@@ -184,6 +185,7 @@ EGREP = @EGREP@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GREP = @GREP@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
HTTPS_SUPPORT = @HTTPS_SUPPORT@
ICONV_LIBS = @ICONV_LIBS@
INSTALL = @INSTALL@
diff --git a/tests/Makefile.in b/tests/Makefile.in
index 204ac21..8f673d7 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -93,7 +93,7 @@ am__aclocal_m4_deps = $(top_srcdir)/m4/check_zlib.m4 \
$(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \
$(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \
$(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/m4/snprintf.m4 \
- $(top_srcdir)/configure.ac
+ $(top_srcdir)/m4/visibility.m4 $(top_srcdir)/configure.ac
am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
$(ACLOCAL_M4)
DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON)
@@ -338,6 +338,7 @@ CC = @CC@
CCDEPMODE = @CCDEPMODE@
CFLAGS = @CFLAGS@
CFLAGS_PIE = @CFLAGS_PIE@
+CFLAG_VISIBILITY = @CFLAG_VISIBILITY@
CPP = @CPP@
CPPFLAGS = @CPPFLAGS@
CYGPATH_W = @CYGPATH_W@
@@ -356,6 +357,7 @@ EGREP = @EGREP@
EXEEXT = @EXEEXT@
FGREP = @FGREP@
GREP = @GREP@
+HAVE_VISIBILITY = @HAVE_VISIBILITY@
HTTPS_SUPPORT = @HTTPS_SUPPORT@
ICONV_LIBS = @ICONV_LIBS@
INSTALL = @INSTALL@