# * overlong strings
# So, we only use -pedantic if we can disable those warnings.
-ACX_PROG_CC_WARNING_OPTS([-W -Wall -Wwrite-strings -Wstrict-prototypes \
- -Wmissing-prototypes], [loose_warn])
-ACX_PROG_CC_WARNING_OPTS([-Wc++-compat], [cxx_compat_warn])
-ACX_PROG_CC_WARNING_OPTS([-Wold-style-definition \
- -Wmissing-format-attribute], [strict_warn])
-ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long -Wno-variadic-macros \
- -Wno-overlength-strings], [strict_warn])
+ACX_PROG_CC_WARNING_OPTS(
+ [m4_do([-W -Wall -Wwrite-strings -Wstrict-prototypes ],
+ [-Wmissing-prototypes -Wcast-qual])], [loose_warn])
+ACX_PROG_CC_WARNING_OPTS(
+ [m4_do([-Wold-style-definition -Wc++-compat ],
+ [-Wmissing-format-attribute])], [strict_warn])
+ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(
+ [m4_do([-Wno-long-long -Wno-variadic-macros ],
+ [-Wno-overlength-strings])], [strict_warn])
ACX_PROG_CC_WARNINGS_ARE_ERRORS([manual], [strict_warn])
# The above macros do nothing if the compiler is not GCC. However, the
enable expensive run-time checks. With LIST,
enable only specific categories of checks.
Categories are: yes,no,all,none,release.
- Flags are: assert,df,fold,gc,gcac,misc,
+ Flags are: assert,df,fold,gc,gcac,gimple,misc,
rtlflag,rtl,runtime,tree,valgrind,types.],
[ac_checking_flags="${enableval}"],[
# Determine the default checks.
# these set all the flags to specific states
yes) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking= ;
ac_fold_checking= ; ac_gc_checking=1 ;
- ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_gc_always_collect= ; ac_gimple_checking=1 ; ac_rtl_checking= ;
ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
ac_tree_checking=1 ; ac_valgrind_checking= ;
ac_types_checking=1 ;;
no|none) ac_assert_checking= ; ac_checking= ; ac_df_checking= ;
ac_fold_checking= ; ac_gc_checking= ;
- ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ;
ac_rtlflag_checking= ; ac_runtime_checking= ;
ac_tree_checking= ; ac_valgrind_checking= ;
ac_types_checking= ;;
all) ac_assert_checking=1 ; ac_checking=1 ; ac_df_checking=1 ;
ac_fold_checking=1 ; ac_gc_checking=1 ;
- ac_gc_always_collect=1 ; ac_rtl_checking=1 ;
+ ac_gc_always_collect=1 ; ac_gimple_checking=1 ; ac_rtl_checking=1 ;
ac_rtlflag_checking=1 ; ac_runtime_checking=1 ;
ac_tree_checking=1 ; ac_valgrind_checking= ;
ac_types_checking=1 ;;
release) ac_assert_checking=1 ; ac_checking= ; ac_df_checking= ;
ac_fold_checking= ; ac_gc_checking= ;
- ac_gc_always_collect= ; ac_rtl_checking= ;
+ ac_gc_always_collect= ; ac_gimple_checking= ; ac_rtl_checking= ;
ac_rtlflag_checking= ; ac_runtime_checking=1 ;
ac_tree_checking= ; ac_valgrind_checking= ;
ac_types_checking= ;;
fold) ac_fold_checking=1 ;;
gc) ac_gc_checking=1 ;;
gcac) ac_gc_always_collect=1 ;;
+ gimple) ac_gimple_checking=1 ;;
misc) ac_checking=1 ;;
rtl) ac_rtl_checking=1 ;;
rtlflag) ac_rtlflag_checking=1 ;;
AC_DEFINE(ENABLE_ASSERT_CHECKING, 1,
[Define if you want assertions enabled. This is a cheap check.])
fi
+if test x$ac_gimple_checking != x ; then
+ AC_DEFINE(ENABLE_GIMPLE_CHECKING, 1,
+[Define if you want operations on GIMPLE (the basic data structure of
+the high-level optimizers) to be checked for dynamic type safety at
+runtime. This is moderately expensive.])
+fi
GCC_TARGET_TEMPLATE(ENABLE_RUNTIME_CHECKING)
if test x$ac_runtime_checking != x ; then
AC_DEFINE(ENABLE_RUNTIME_CHECKING, 1,
# that we can use it.
ACX_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
[GNU texinfo.* \([0-9][0-9.]*\)],
- [4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*])
+ [4.[7-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*])
if test $gcc_cv_prog_makeinfo_modern = no; then
AC_MSG_WARN([
*** Makeinfo is missing or too old.
fread_unlocked fwrite_unlocked getchar_unlocked getc_unlocked dnl
putchar_unlocked putc_unlocked)
AC_CHECK_FUNCS(times clock kill getrlimit setrlimit atoll atoq \
- sysconf strsignal getrusage nl_langinfo scandir alphasort \
+ sysconf strsignal getrusage nl_langinfo \
gettimeofday mbstowcs wcswidth mmap mincore setlocale \
gcc_UNLOCKED_FUNCS)
fi
AC_CHECK_TYPE(ssize_t, int)
+AC_CHECK_TYPE(caddr_t, char *)
# Try to determine the array type of the second argument of getgroups
# for the target system (int or gid_t).
# Make gthr-default.h if we have a thread file.
gthread_flags=
if test $thread_file != single; then
- rm -f gthr-default.h
- echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h
+ echo "#include \"gthr-${thread_file}.h\"" > gthr-default.h-t
+ if diff gthr-default.h-t gthr-default.h 2>/dev/null; then
+ rm -f gthr-default.h-t
+ else
+ mv -f gthr-default.h-t gthr-default.h
+ fi
gthread_flags=-DHAVE_GTHR_DEFAULT
fi
AC_SUBST(gthread_flags)
done
tmake_file="${tmake_file_}"
-# This is a terrible hack which will go away some day.
-host_cc_for_libada=${CC}
-AC_SUBST(host_cc_for_libada)
-
out_object_file=`basename $out_file .c`.o
tm_file_list="options.h"
[AC_DEFINE(HAVE_AS_LEB128, 1,
[Define if your assembler supports .sleb128 and .uleb128.])])
+# Check if we have assembler support for unwind directives.
+gcc_GAS_CHECK_FEATURE([cfi directives], gcc_cv_as_cfi_directive,
+ [elf,2,17,0],,
+[ .text
+ .cfi_startproc
+ .cfi_offset 0, 0
+ .cfi_same_value 1
+ .cfi_def_cfa 1, 2
+ .cfi_escape 1, 2, 3, 4, 5
+ .cfi_endproc])
+AC_DEFINE_UNQUOTED(HAVE_GAS_CFI_DIRECTIVE,
+ [`if test $gcc_cv_as_cfi_directive = yes; then echo 1; else echo 0; fi`],
+ [Define 0/1 if your assembler supports CFI directives.])
+
+gcc_GAS_CHECK_FEATURE([cfi personality directive],
+ gcc_cv_as_cfi_personality_directive, [elf,2,17,0],,
+[ .text
+ .cfi_startproc,
+ .cfi_personality 0, symbol
+ .cfi_endproc])
+AC_DEFINE_UNQUOTED(HAVE_GAS_CFI_PERSONALITY_DIRECTIVE,
+ [`if test $gcc_cv_as_cfi_personality_directive = yes;
+ then echo 1; else echo 0; fi`],
+ [Define 0/1 if your assembler supports .cfi_personality.])
+
# GAS versions up to and including 2.11.0 may mis-optimize
# .eh_frame data.
gcc_GAS_CHECK_FEATURE(eh_frame optimization, gcc_cv_as_eh_frame,
case "$target" in
i?86*-*-* | mips*-*-* | alpha*-*-* | powerpc*-*-* | sparc*-*-* | m68*-*-* \
| x86_64*-*-* | hppa*-*-* | arm*-*-* \
- | xstormy16*-*-* | cris-*-* | xtensa-*-* | bfin-*-* | score*-*-* \
+ | xstormy16*-*-* | cris-*-* | xtensa*-*-* | bfin-*-* | score*-*-* \
| spu-*-* | fido*-*-*)
insn="nop"
;;
# `language' must be a single word so is spelled singularly.
all_languages=
all_compilers=
-all_outputs='Makefile gccbug libada-mk'
+all_outputs='Makefile gccbug'
# List of language makefile fragments.
all_lang_makefrags=
# List of language subdirectory makefiles. Deprecated.