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Repair CFLAGS/ CWFLAGS mixup

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This commit is contained in:
Frank Denis 2022-11-16 10:59:08 +00:00 committed by Frank Denis
parent d264b5cfe5
commit 63a46474e4
2 changed files with 90 additions and 47 deletions
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130
configure vendored
View File

@ -1596,7 +1596,7 @@ Some influential environment variables:
CPP C preprocessor
SAFECODE_HOME
set to the safecode base directory
CWFLAGS define to compilation flags for generating extra warnings
CWFLAGS compilation flags for generating extra warnings
LT_SYS_LIBRARY_PATH
User-defined run-time library search path.
AR path to the ar utility
@ -8498,8 +8498,6 @@ esac
fi
as_CACHEVAR=`printf "%s\n" "ax_cv_check_cflags__$CFLAGS -Wall" | $as_tr_sh`
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $CFLAGS -Wall" >&5
printf %s "checking whether C compiler accepts $CFLAGS -Wall... " >&6; }
@ -8542,47 +8540,7 @@ else $as_nop
:
fi
as_CACHEVAR=`printf "%s\n" "ax_cv_check_cflags__$CFLAGS -Wextra" | $as_tr_sh`
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $CFLAGS -Wextra" >&5
printf %s "checking whether C compiler accepts $CFLAGS -Wextra... " >&6; }
if eval test \${$as_CACHEVAR+y}
then :
printf %s "(cached) " >&6
else $as_nop
ax_check_save_flags=$CFLAGS
CFLAGS="$CFLAGS $CFLAGS -Wextra"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <time.h>
int
main (void)
{
time_t x; int fodder = 0; if (fodder > -1000 && time(&x)) return (int) x
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"
then :
eval "$as_CACHEVAR=yes"
else $as_nop
eval "$as_CACHEVAR=no"
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam \
conftest$ac_exeext conftest.$ac_ext
CFLAGS=$ax_check_save_flags
fi
eval ac_res=\$$as_CACHEVAR
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
printf "%s\n" "$ac_res" >&6; }
if eval test \"x\$"$as_CACHEVAR"\" = x"yes"
then :
CWFLAGS="$CFLAGS -Wextra"
else $as_nop
:
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for clang" >&5
@ -8595,7 +8553,7 @@ main (void)
{
#ifndef __clang__
#error Not clang
#error Not clang nor zig cc
#endif
;
@ -8656,6 +8614,90 @@ printf "%s\n" "no" >&6; }
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
as_CACHEVAR=`printf "%s\n" "ax_cv_check_cflags__$CWFLAGS -Wextra" | $as_tr_sh`
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $CWFLAGS -Wextra" >&5
printf %s "checking whether C compiler accepts $CWFLAGS -Wextra... " >&6; }
if eval test \${$as_CACHEVAR+y}
then :
printf %s "(cached) " >&6
else $as_nop
ax_check_save_flags=$CFLAGS
CFLAGS="$CFLAGS $CWFLAGS -Wextra"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <time.h>
int
main (void)
{
time_t x; int fodder = 0; if (fodder > -1000 && time(&x)) return (int) x
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"
then :
eval "$as_CACHEVAR=yes"
else $as_nop
eval "$as_CACHEVAR=no"
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam \
conftest$ac_exeext conftest.$ac_ext
CFLAGS=$ax_check_save_flags
fi
eval ac_res=\$$as_CACHEVAR
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
printf "%s\n" "$ac_res" >&6; }
if eval test \"x\$"$as_CACHEVAR"\" = x"yes"
then :
CWFLAGS="$WCFLAGS -Wextra"
else $as_nop
:
fi
as_CACHEVAR=`printf "%s\n" "ax_cv_check_cflags__$CWFLAGS -Warray-bounds" | $as_tr_sh`
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $CWFLAGS -Warray-bounds" >&5
printf %s "checking whether C compiler accepts $CWFLAGS -Warray-bounds... " >&6; }
if eval test \${$as_CACHEVAR+y}
then :
printf %s "(cached) " >&6
else $as_nop
ax_check_save_flags=$CFLAGS
CFLAGS="$CFLAGS $CWFLAGS -Warray-bounds"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <time.h>
int
main (void)
{
time_t x; int fodder = 0; if (fodder > -1000 && time(&x)) return (int) x
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"
then :
eval "$as_CACHEVAR=yes"
else $as_nop
eval "$as_CACHEVAR=no"
fi
rm -f core conftest.err conftest.$ac_objext conftest.beam \
conftest$ac_exeext conftest.$ac_ext
CFLAGS=$ax_check_save_flags
fi
eval ac_res=\$$as_CACHEVAR
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
printf "%s\n" "$ac_res" >&6; }
if eval test \"x\$"$as_CACHEVAR"\" = x"yes"
then :
CWFLAGS="$CWFLAGS -Warray-bounds"
else $as_nop
:
fi
as_CACHEVAR=`printf "%s\n" "ax_cv_check_cflags__$CWFLAGS -Wbad-function-cast" | $as_tr_sh`
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts $CWFLAGS -Wbad-function-cast" >&5
printf %s "checking whether C compiler accepts $CWFLAGS -Wbad-function-cast... " >&6; }

7
configure.ac
View File

@ -311,10 +311,9 @@ AS_CASE([$host_os],
])
])
AC_ARG_VAR([CWFLAGS], [define to compilation flags for generating extra warnings])
AX_CHECK_COMPILE_FLAG([$CFLAGS -Wall], [CWFLAGS="$CFLAGS -Wall"])
AX_CHECK_COMPILE_FLAG([$CFLAGS -Wextra], [CWFLAGS="$CFLAGS -Wextra"])
AC_ARG_VAR([CWFLAGS], [compilation flags for generating extra warnings])
AC_MSG_CHECKING(for clang)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
@ -329,6 +328,8 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
[AC_MSG_RESULT(no)
])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wextra], [CWFLAGS="$WCFLAGS -Wextra"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Warray-bounds], [CWFLAGS="$CWFLAGS -Warray-bounds"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wbad-function-cast], [CWFLAGS="$CWFLAGS -Wbad-function-cast"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wcast-qual], [CWFLAGS="$CWFLAGS -Wcast-qual"])
AX_CHECK_COMPILE_FLAG([$CWFLAGS -Wdiv-by-zero], [CWFLAGS="$CWFLAGS -Wdiv-by-zero"])