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-rw-r--r--configure.ac18
1 files changed, 14 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac
index bb44612cf..54395de01 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1967,10 +1967,20 @@ AC_HELP_STRING([--disable-hidden-symbols],[Leave all symbols with default visibi
no)
AC_MSG_RESULT(no)
;;
- *) AC_MSG_RESULT(yes)
- AC_DEFINE(CURL_HIDDEN_SYMBOLS, 1, [to enable hidden symbols])
- AC_SUBST(CURL_HIDDEN_SYMBOLS)
- CFLAGS="$CFLAGS -fvisibility=hidden"
+ *)
+ if test "$GCC" = yes ; then
+ AC_MSG_CHECKING([whether $CC supports it])
+ if $CC --help --verbose 2>&1 | grep fvisibility= > /dev/null ; then
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(CURL_HIDDEN_SYMBOLS, 1, [to enable hidden symbols])
+ AC_SUBST(CURL_HIDDEN_SYMBOLS)
+ CFLAGS="$CFLAGS -fvisibility=hidden"
+ else
+ AC_MSG_RESULT(no)
+ fi
+ else
+ AC_MSG_RESULT([no (not gcc)])
+ fi
;;
esac ],
AC_MSG_RESULT(no)