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-rw-r--r--Zend/Zend.m414
1 files changed, 14 insertions, 0 deletions
diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
index e1d4db9841..784a810f79 100644
--- a/Zend/Zend.m4
+++ b/Zend/Zend.m4
@@ -21,6 +21,7 @@ AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_CC_C_O])
AC_REQUIRE([AC_PROG_LEX])
AC_REQUIRE([AC_HEADER_STDC])
+AC_REQUIRE([AC_PROG_LIBTOOL])
LIBZEND_BISON_CHECK
@@ -54,6 +55,19 @@ AC_TYPE_SIGNAL
AC_CHECK_LIB(dl, dlopen, [LIBS="-ldl $LIBS"])
AC_CHECK_FUNC(dlopen,[AC_DEFINE(HAVE_LIBDL, 1,[ ])])
+dnl
+dnl Ugly hack to check if dlsym() requires a leading underscore in symbol name.
+dnl
+AC_MSG_CHECKING([whether dlsym() requires a leading underscode in symbol names])
+_LT_AC_TRY_DLOPEN_SELF([
+ AC_MSG_RESULT(no)
+], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(DLSYM_NEEDS_UNDERSCORE, 1, [Define if dlsym() requires a leading underscode in symbol names. ])
+], [
+ AC_MSG_RESULT(no)
+], [])
+
dnl This is required for QNX and may be some BSD derived systems
AC_CHECK_TYPE( uint, unsigned int )
AC_CHECK_TYPE( ulong, unsigned long )