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-rwxr-xr-xconfigure37
-rw-r--r--configure.in29
2 files changed, 61 insertions, 5 deletions
diff --git a/configure b/configure
index fbf36aa38..629451942 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
#! /bin/sh
-# From configure.in afa7ec2.
+# From configure.in d2e3acb.
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69.
#
@@ -4616,8 +4616,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
CFLAGS="$CFLAGS -pipe -ffast-math -fvisibility=hidden -Wall -Wextra -Wno-sign-compare"
CPPFLAGS="$CPPFLAGS -I../common"
-LDFLAGS="$LDFLAGS -rdynamic"
-
+LDFLAGS="$LDFLAGS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
@@ -5008,6 +5007,38 @@ rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
fi
+#
+# Check if the linker supports/accepts -rdynamic
+# Generally only needed by the ELF linker, in order to produce backtraces.
+# On non-ELF platforms, some compilers (i.e. gcc < 5 and clang on OSX) are able to ignore it, others will error out.
+#
+OLD_LDFLAGS="$LDFLAGS"
+LDFLAGS="$LDFLAGS -rdynamic"
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -rdynamic" >&5
+$as_echo_n "checking whether $CC accepts -rdynamic... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+ int main(int argc, char **argv)
+ {
+ return 0;
+ }
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ LDFLAGS="$OLD_LDFLAGS"
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
#
# LTO Support test
diff --git a/configure.in b/configure.in
index de709bede..5bb0dff65 100644
--- a/configure.in
+++ b/configure.in
@@ -487,8 +487,7 @@ AC_LANG([C])
CFLAGS="$CFLAGS -pipe -ffast-math -fvisibility=hidden -Wall -Wextra -Wno-sign-compare"
CPPFLAGS="$CPPFLAGS -I../common"
-LDFLAGS="$LDFLAGS -rdynamic"
-
+LDFLAGS="$LDFLAGS"
AC_C_BIGENDIAN(
[AC_MSG_ERROR([[bigendian is not supported... stopping]])],
@@ -590,6 +589,32 @@ AC_RUN_IFELSE(
]
)
+#
+# Check if the linker supports/accepts -rdynamic
+# Generally only needed by the ELF linker, in order to produce backtraces.
+# On non-ELF platforms, some compilers (i.e. gcc < 5 and clang on OSX) are able to ignore it, others will error out.
+#
+OLD_LDFLAGS="$LDFLAGS"
+LDFLAGS="$LDFLAGS -rdynamic"
+AC_MSG_CHECKING([whether $CC accepts -rdynamic])
+AC_LINK_IFELSE(
+ [AC_LANG_SOURCE([
+ int main(int argc, char **argv)
+ {
+ return 0;
+ }
+ ])],
+ [
+ AC_MSG_RESULT([yes])
+ ],
+ [
+ AC_MSG_RESULT([no])
+ LDFLAGS="$OLD_LDFLAGS"
+ ],
+ [
+ AC_MSG_RESULT([guessing no])
+ ]
+)
#
# LTO Support test