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configure.in: Add -Werror flags last (BR 2292332)

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configure.in: Add the -Werror flags as the last thing. Otherwise, with
development versions of autoconf, all AC_CHECK_FUNCS calls fails with:
conftest.c:49: error: function declaration isn't a prototype
conftest.c:49: warning: conflicting types for built-in function 'strcspn'

Signed-off-by: Ozkan Sezer <sezero@users.sourceforge.net>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Ozkan Sezer 2016-02-12 23:49:49 -08:00 committed by H. Peter Anvin
parent 2bc798a968
commit ec3d426e36
1 changed files with 12 additions and 11 deletions
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23
configure.in
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@ -78,17 +78,6 @@ dnl If we have gcc, add appropriate options
PA_ADD_CFLAGS([-W])
PA_ADD_CFLAGS([-Wall])
PA_ADD_CFLAGS([-std=c99])
PA_ADD_CFLAGS([-pedantic])
PA_ADD_CFLAGS([-Werror=implicit])
PA_ADD_CFLAGS([-Werror=missing-braces])
PA_ADD_CFLAGS([-Werror=return-type])
PA_ADD_CFLAGS([-Werror=trigraphs])
PA_ADD_CFLAGS([-Werror=pointer-arith])
PA_ADD_CFLAGS([-Werror=strict-prototypes])
PA_ADD_CFLAGS([-Werror=missing-prototypes])
PA_ADD_CFLAGS([-Werror=missing-declarations])
PA_ADD_CFLAGS([-Werror=comment])
PA_ADD_CFLAGS([-Werror=vla])
dnl Look for programs...
AC_CHECK_PROGS(NROFF, nroff, false)
@ -192,5 +181,17 @@ AC_ARG_WITH([ccache],
[CC="ccache $CC"],
[])
PA_ADD_CFLAGS([-pedantic])
PA_ADD_CFLAGS([-Werror=implicit])
PA_ADD_CFLAGS([-Werror=missing-braces])
PA_ADD_CFLAGS([-Werror=return-type])
PA_ADD_CFLAGS([-Werror=trigraphs])
PA_ADD_CFLAGS([-Werror=pointer-arith])
PA_ADD_CFLAGS([-Werror=strict-prototypes])
PA_ADD_CFLAGS([-Werror=missing-prototypes])
PA_ADD_CFLAGS([-Werror=missing-declarations])
PA_ADD_CFLAGS([-Werror=comment])
PA_ADD_CFLAGS([-Werror=vla])
AC_OUTPUT_COMMANDS([mkdir -p output])
AC_OUTPUT(Makefile rdoff/Makefile doc/Makefile)