freeswitch/build/config/ax_cflags_warn_all_ansi.m4

95 lines
3.8 KiB
Plaintext

AC_DEFUN([AX_CFLAGS_WARN_ALL_ANSI],[dnl
AS_VAR_PUSHDEF([FLAGS],[CFLAGS])dnl
AS_VAR_PUSHDEF([VAR],[ac_cv_cflags_warn_all_ansi])dnl
AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for maximum ansi warnings],
VAR,[VAR="no, unknown"
AC_LANG_SAVE
AC_LANG_C
ac_save_[]FLAGS="$[]FLAGS"
# IRIX C compiler:
# -use_readonly_const is the default for IRIX C,
# puts them into .rodata, but they are copied later.
# need to be "-G0 -rdatashared" for strictmode but
# I am not sure what effect that has really. - guidod
for ac_arg dnl
in "-pedantic % -Wall -std=c99 -pedantic" dnl GCC
"-xstrconst % -v -Xc -xc99=all" dnl Solaris C
# "-std1 % -verbose -w0 -warnprotos -std1" dnl Digital Unix
# " % -qlanglvl=ansi -qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd" dnl AIX
# " % -ansi -ansiE -fullwarn" dnl IRIX
# "+ESlit % +w1 -Aa" dnl HP-UX C
# "-Xc % -pvctl[,]fullmsg -Xc" dnl NEC SX-5 (Super-UX 10)
# "-h conform % -h msglevel 2 -h conform" dnl Cray C (Unicos)
#
do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
AC_TRY_COMPILE([],[return 0;],
[VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
done
FLAGS="$ac_save_[]FLAGS"
AC_LANG_RESTORE
])
case ".$VAR" in
.ok|.ok,*) m4_ifvaln($3,$3) ;;
.|.no|.no,*) m4_ifvaln($4,$4,[m4_ifval($2,[
AC_RUN_LOG([: m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $2"])
m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $2"])]) ;;
*) m4_ifvaln($3,$3,[
if echo " $[]m4_ifval($1,$1,FLAGS) " | grep " $VAR " 2>&1 >/dev/null
then AC_RUN_LOG([: m4_ifval($1,$1,FLAGS) does contain $VAR])
else AC_RUN_LOG([: m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $VAR"])
m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $VAR"
fi ]) ;;
esac
AS_VAR_POPDEF([VAR])dnl
AS_VAR_POPDEF([FLAGS])dnl
])
dnl the only difference - the LANG selection... and the default FLAGS
AC_DEFUN([AX_CXXFLAGS_WARN_ALL_ANSI],[dnl
AS_VAR_PUSHDEF([FLAGS],[CXXFLAGS])dnl
AS_VAR_PUSHDEF([VAR],[ac_cv_cxxflags_warn_all_ansi])dnl
AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for maximum ansi warnings],
VAR,[VAR="no, unknown"
AC_LANG_SAVE
AC_LANG_CXX
ac_save_[]FLAGS="$[]FLAGS"
# IRIX C compiler:
# -use_readonly_const is the default for IRIX C,
# puts them into .rodata, but they are copied later.
# need to be "-G0 -rdatashared" for strictmode but
# I am not sure what effect that has really. - guidod
for ac_arg dnl
in "-pedantic % -Wall -ansi -pedantic" dnl GCC
"-xstrconst % -v -Xc" dnl Solaris C
# "-std1 % -verbose -w0 -warnprotos -std1" dnl Digital Unix
# " % -qlanglvl=ansi -qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd" dnl AIX
# " % -ansi -ansiE -fullwarn" dnl IRIX
# "+ESlit % +w1 -Aa" dnl HP-UX C
# "-Xc % -pvctl[,]fullmsg -Xc" dnl NEC SX-5 (Super-UX 10)
# "-h conform % -h msglevel 2 -h conform" dnl Cray C (Unicos)
#
do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
AC_TRY_COMPILE([],[return 0;],
[VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
done
FLAGS="$ac_save_[]FLAGS"
AC_LANG_RESTORE
])
case ".$VAR" in
.ok|.ok,*) m4_ifvaln($3,$3) ;;
.|.no|.no,*) m4_ifvaln($4,$4,[m4_ifval($2,[
AC_RUN_LOG([: m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $2"])
m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $2"])]) ;;
*) m4_ifvaln($3,$3,[
if echo " $[]m4_ifval($1,$1,FLAGS) " | grep " $VAR " 2>&1 >/dev/null
then AC_RUN_LOG([: m4_ifval($1,$1,FLAGS) does contain $VAR])
else AC_RUN_LOG([: m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $VAR"])
m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $VAR"
fi ]) ;;
esac
AS_VAR_POPDEF([VAR])dnl
AS_VAR_POPDEF([FLAGS])dnl
])