In the same vein as the other dirs, add a --disable-werror option to the libbacktrace dir to disable the explicit -Werror usage.
2014-01-03 Mike Frysinger <dirtye...@gentoo.org>
* configure.ac: Add --enable-werror.
(WARN_FLAGS): Use it.
* configure: Regenerate.
--- a/libbacktrace/configure.ac
+++ a/libbacktrace/configure.ac
@@ -132,8 +132,13 @@ ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwri
-Wmissing-format-attribute -Wcast-qual],
[WARN_FLAGS])
+AC_ARG_ENABLE(werror, [AS_HELP_STRING([--enable-werror],
+ [turns on -Werror @<:@default=yes@:>@])])
+
if test -n "${with_target_subdir}"; then
- WARN_FLAGS="$WARN_FLAGS -Werror"
+ if test "x$enable_werror" != "xno"; then
+ WARN_FLAGS="$WARN_FLAGS -Werror"
+ fi
fi
AC_SUBST(WARN_FLAGS)
--- a/libbacktrace/configure
+++ a/libbacktrace/configure
@@ -730,6 +730,7 @@ enable_fast_install
with_gnu_ld
enable_libtool_lock
enable_multilib
+enable_werror
with_system_libunwind
'
ac_precious_vars='build_alias
@@ -1370,6 +1371,7 @@ Optional Features:
optimize for fast installation [default=yes]
--disable-libtool-lock avoid locking (might break parallel builds)
--enable-multilib build many library versions (default)
+ --enable-werror turns on -Werror [default=yes]
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
@@ -11614,8 +11616,16 @@ fi
CFLAGS="$save_CFLAGS"
+# Check whether --enable-werror was given.
+if test "${enable_werror+set}" = set; then :
+ enableval=$enable_werror;
+fi
+
+
if test -n "${with_target_subdir}"; then
- WARN_FLAGS="$WARN_FLAGS -Werror"
+ if test "x$enable_werror" != "xno"; then
+ WARN_FLAGS="$WARN_FLAGS -Werror"
+ fi
fi
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