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authorChun Kuan Lee <ken2812221@gmail.com>2018-05-05 13:18:40 +0000
committerChun Kuan Lee <ken2812221@gmail.com>2018-06-02 19:18:41 +0000
commit908c1d7745f0ed117b0374fcc8486f83bf743bfc (patch)
tree8e697339a3fd215d1b666421f1ceafc3e760fe1f /configure.ac
parente24bf1ce184bc8d5bba70a3f3e9c43c2df07f4d3 (diff)
downloadbitcoin-908c1d7745f0ed117b0374fcc8486f83bf743bfc.tar.xz
GCC-7 and glibc-2.27 compat code
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac3
1 files changed, 3 insertions, 0 deletions
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)