1*4882a593SmuzhiyunFrom 88c78901503d50d0a62d85c96994ca4d67ab61e0 Mon Sep 17 00:00:00 2001 2*4882a593SmuzhiyunFrom: Fabrice Fontaine <fontaine.fabrice@gmail.com> 3*4882a593SmuzhiyunDate: Fri, 13 Nov 2020 20:50:27 +0100 4*4882a593SmuzhiyunSubject: [PATCH] Add an option to disable -Werror 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunAllow the user to disable -Werror to avoid the following build failure 7*4882a593Smuzhiyunwith gcc 4.8: 8*4882a593Smuzhiyun 9*4882a593Smuzhiyunlibtac/lib/magic.c:138:13: error: ignoring return value of 'read', declared with attribute warn_unused_result [-Werror=unused-result] 10*4882a593Smuzhiyun (void) read(rfd, &seed, sizeof(seed)); 11*4882a593Smuzhiyun ^ 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunFixes: 14*4882a593Smuzhiyun - http://autobuild.buildroot.org/results/5c17226f12eba104d907693ec37fc101cc6d447f 15*4882a593Smuzhiyun 16*4882a593SmuzhiyunSigned-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com> 17*4882a593Smuzhiyun--- 18*4882a593Smuzhiyun Makefile.am | 6 +++++- 19*4882a593Smuzhiyun configure.ac | 3 +++ 20*4882a593Smuzhiyun 2 files changed, 8 insertions(+), 1 deletion(-) 21*4882a593Smuzhiyun 22*4882a593Smuzhiyundiff --git a/Makefile.am b/Makefile.am 23*4882a593Smuzhiyunindex 0be3cdb..4a137e9 100644 24*4882a593Smuzhiyun--- a/Makefile.am 25*4882a593Smuzhiyun+++ b/Makefile.am 26*4882a593Smuzhiyun@@ -8,7 +8,11 @@ 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun ACLOCAL_AMFLAGS = -I config 29*4882a593Smuzhiyun AUTOMAKE_OPTIONS = subdir-objects 30*4882a593Smuzhiyun-AM_CFLAGS = -Wall -Wextra -Werror 31*4882a593Smuzhiyun+AM_CFLAGS = -Wall -Wextra 32*4882a593Smuzhiyun+ 33*4882a593Smuzhiyun+if ENABLE_WERROR 34*4882a593Smuzhiyun+AM_CFLAGS += -Werror 35*4882a593Smuzhiyun+endif 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun if TACC 38*4882a593Smuzhiyun bin_PROGRAMS = tacc 39*4882a593Smuzhiyundiff --git a/configure.ac b/configure.ac 40*4882a593Smuzhiyunindex d0c5eba..dd8a966 100644 41*4882a593Smuzhiyun--- a/configure.ac 42*4882a593Smuzhiyun+++ b/configure.ac 43*4882a593Smuzhiyun@@ -100,6 +100,9 @@ AC_SUBST(pamdir) 44*4882a593Smuzhiyun AC_ARG_ENABLE(doc, AS_HELP_STRING([--disable-doc], [do not build docs])) 45*4882a593Smuzhiyun AM_CONDITIONAL(DOC, test "x$enable_doc" != "xno") 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun+AC_ARG_ENABLE(werror, AS_HELP_STRING([--disable-werror], [do not build with -Werror])) 48*4882a593Smuzhiyun+AM_CONDITIONAL(ENABLE_WERROR, test "x$enable_werror" != "xno") 49*4882a593Smuzhiyun+ 50*4882a593Smuzhiyun dnl -------------------------------------------------------------------- 51*4882a593Smuzhiyun dnl Switch for run-time debugging 52*4882a593Smuzhiyun AC_ARG_ENABLE(runtime-debugging, [AS_HELP_STRING([--enable-runtime-debugging], 53*4882a593Smuzhiyun-- 54*4882a593Smuzhiyun2.28.0 55*4882a593Smuzhiyun 56