From: Tim Rühsen Date: Wed, 3 Jan 2018 10:50:07 +0000 (+0100) Subject: Fix -Wundef warning in user-included header lib/cdefs.h. X-Git-Tag: v1.0~5772 X-Git-Url: https://gitweb.git.savannah.gnu.org/gitweb/?a=commitdiff_plain;h=29c98faf72b235e8add44509eeabd9ccf9f49043;p=gnulib.git Fix -Wundef warning in user-included header lib/cdefs.h. * lib/cdefs.h: Check if defined before using __USE_FORTIFY_LEVEL. --- diff --git a/ChangeLog b/ChangeLog index f934336d55..3f2d8ce5b2 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2018-01-04 Tim Rühsen + + Fix -Wundef warning in user-included header lib/cdefs.h. + * lib/cdefs.h: Check if defined before using __USE_FORTIFY_LEVEL. + 2018-01-04 Bruno Haible pthread_sigmask: Avoid compilation error on mingw. diff --git a/lib/cdefs.h b/lib/cdefs.h index 9ed0259dce..f6c20fe2ed 100644 --- a/lib/cdefs.h +++ b/lib/cdefs.h @@ -295,7 +295,7 @@ #if __GNUC_PREREQ (3,4) # define __attribute_warn_unused_result__ \ __attribute__ ((__warn_unused_result__)) -# if __USE_FORTIFY_LEVEL > 0 +# if defined __USE_FORTIFY_LEVEL && __USE_FORTIFY_LEVEL > 0 # define __wur __attribute_warn_unused_result__ # endif #else