From 908c1d7745f0ed117b0374fcc8486f83bf743bfc Mon Sep 17 00:00:00 2001
From: Chun Kuan Lee <ken2812221@gmail.com>
Date: Sat, 5 May 2018 13:18:40 +0000
Subject: GCC-7 and glibc-2.27 compat code

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 1ffef1527b..72274f94e9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -595,6 +595,8 @@ if test x$use_glibc_compat != xno; then
     [ fdelt_type="long int"])
   AC_MSG_RESULT($fdelt_type)
   AC_DEFINE_UNQUOTED(FDELT_TYPE, $fdelt_type,[parameter and return value type for __fdelt_chk])
+  AX_CHECK_LINK_FLAG([[-Wl,--wrap=__divmoddi4]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=__divmoddi4"])
+  AX_CHECK_LINK_FLAG([[-Wl,--wrap=log2f]], [COMPAT_LDFLAGS="$COMPAT_LDFLAGS -Wl,--wrap=log2f"])
 else
   AC_SEARCH_LIBS([clock_gettime],[rt])
 fi
@@ -1284,6 +1286,7 @@ AC_SUBST(DEBUG_CPPFLAGS)
 AC_SUBST(WARN_CXXFLAGS)
 AC_SUBST(NOWARN_CXXFLAGS)
 AC_SUBST(DEBUG_CXXFLAGS)
+AC_SUBST(COMPAT_LDFLAGS)
 AC_SUBST(ERROR_CXXFLAGS)
 AC_SUBST(GPROF_CXXFLAGS)
 AC_SUBST(GPROF_LDFLAGS)
-- 
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