Resync config/ from GCC.
This commit is contained in:
Joseph Myers
parent
d6719f7e17
commit
75b6133098
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@ -1,3 +1,38 @@
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2012-05-29 Joseph Myers <joseph@codesourcery.com>
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* mt-sde: Fix typos.
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* stdint.m4: Fix typos.
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* tcl.m4: Fix typos.
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2012-04-03 Tristan Gingold <gingold@adacore.com>
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* mmap.m4: Use *vms* instead of vms*.
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2012-04-02 Tristan Gingold <gingold@adacore.com>
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* math.m4 (GCC_CHECK_MATH_FUNC): Remove if-present
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argument. Define the variable.
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2012-03-26 Tristan Gingold <gingold@adacore.com>
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* math.m4: New file.
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2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* weakref.m4 (GCC_CHECK_ELF_STYLE_WEAKREF): Remove
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alpha*-dec-osf*.
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2012-01-22 Douglas B Rupp <rupp@gnat.com>
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* config/mh-interix: Remove as unneeded.
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* config/picflag.m4 (i[[34567]]86-*-interix3*):
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Change triplet to i[[34567]]86-*-interix[[3-9]]*.
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2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
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PR bootstrap/51734
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* picflag.m4: Remove s390 case statement.
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2011-12-20 Andreas Schwab <schwab@linux-m68k.org>
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* warnings.m4 (ACX_PROG_CC_WARNING_OPTS): Avoid leading dash in
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@ -5,6 +40,7 @@
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2011-12-19 Andreas Schwab <schwab@linux-m68k.org>
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PR bootstrap/51388
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* warnings.m4 (ACX_PROG_CC_WARNING_OPTS)
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(ACX_PROG_CC_WARNING_ALMOST_PEDANTIC): Run the test without the
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no- prefix.
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@ -13,6 +49,14 @@
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* acx.m4 (Test for GNAT): Update comment and add quotes in final test.
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2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
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* weakref.m4: New file.
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2011-11-09 Richard Henderson <rth@redhat.com>
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* asmcfi.m4: New file.
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2011-11-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* mh-interix (LIBGCC2_DEBUG_CFLAGS): Remove.
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@ -25,6 +69,15 @@
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* elf.m4 (target_elf): Remove *-netware*.
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2011-07-06 Uros Bizjak <ubizjak@gmail.com>
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* mt-alphaieee (GOCFLAGS_FOR_TARGET): Add -mieee.
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2011-06-15 Mike Stump <mikestump@comcast.net>
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PR target/49461
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* mh-darwin: Turn off -pie on darwin11 and later.
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2011-04-20 Eric Botcazou <ebotcazou@adacore.com>
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* bootstrap-lto.mk: Remove obsolete requirement.
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@ -0,0 +1,15 @@
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;; Cribbed from libffi
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AC_DEFUN([GCC_AS_CFI_PSEUDO_OP],
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[AC_CACHE_CHECK([assembler .cfi pseudo-op support],
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gcc_cv_as_cfi_pseudo_op, [
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gcc_cv_as_cfi_pseudo_op=unknown
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AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],,
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[gcc_cv_as_cfi_pseudo_op=yes],
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[gcc_cv_as_cfi_pseudo_op=no])
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])
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if test "x$gcc_cv_as_cfi_pseudo_op" = xyes; then
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AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1,
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[Define if your assembler supports .cfi_* directives.])
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fi
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])
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@ -0,0 +1,50 @@
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dnl GCC_CHECK_LIBM
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dnl
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dnl Check whether -lm is available. This is a pre-requisite for
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dnl GCC_CHECK_MATH_FUNC so that it will link with -lm.
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AC_DEFUN([GCC_CHECK_LIBM],
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[AC_CHECK_LIB([m],[sin])])
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dnl GCC_CHECK_MATH_HEADERS
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dnl
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dnl Check for math.h and complex.h. This is a pre-requisite for
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dnl GCC_CHECK_MATH_FUNC so that it includes the right headers.
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dnl (Some systems, such as AIX or OpenVMS may define macro for math
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dnl functions).
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AC_DEFUN([GCC_CHECK_MATH_HEADERS],
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[AC_CHECK_HEADERS_ONCE(math.h complex.h)])
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dnl GCC_CHECK_MATH_FUNC([name])
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dnl
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dnl Check whether math function NAME is available on the system (by compiling
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dnl and linking a C program) and run define HAVE_name on success.
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dnl
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dnl Note that OpenVMS system insists on including complex.h before math.h
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AC_DEFUN([GCC_CHECK_MATH_FUNC],
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[
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AC_REQUIRE([GCC_CHECK_LIBM])
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AC_REQUIRE([GCC_CHECK_MATH_HEADERS])
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AC_CACHE_CHECK([for $1], [gcc_cv_math_func_$1],
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[AC_LINK_IFELSE([
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#ifdef HAVE_COMPLEX_H
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#include <complex.h>
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#endif
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#ifdef HAVE_MATH_H
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#include <math.h>
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#endif
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int (*ptr)() = (int (*)())$1;
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int
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main ()
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{
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return 0;
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}
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],
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[gcc_cv_math_func_$1=yes],
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[gcc_cv_math_func_$1=no])])
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if test $gcc_cv_math_func_$1 = yes; then
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AC_DEFINE_UNQUOTED(AS_TR_CPP(HAVE_$1),[1],
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[Define to 1 if you have the `$1' function.])
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fi
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])
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@ -1,5 +1,7 @@
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# The -mdynamic-no-pic ensures that the compiler executable is built without
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# position-independent-code -- the usual default on Darwin. This fix speeds
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# compiles by 3-5%.
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BOOT_CFLAGS += -mdynamic-no-pic
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# Ensure we don't try and use -pie, as it is incompatible with pch.
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BOOT_LDFLAGS += `case ${host} in *-*-darwin[1][1-9]*) echo -Wl,-no_pie ;; esac;`
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@ -1,2 +0,0 @@
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# The shell may not be in /bin.
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SHELL = sh
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@ -5,4 +5,4 @@
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# don't do it any more.
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BOOT_ADAFLAGS = -gnatapg
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BOOT_LDFLAGS = -Wl,-bbigtoc
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LDFLAGS = `case $(CC) in *gcc*) echo -Wl,-bbigtoc ;; esac;`
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LDFLAGS = `case '$(CC)' in *gcc*) echo -Wl,-bbigtoc ;; esac;`
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@ -0,0 +1,97 @@
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dnl ----------------------------------------------------------------------
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dnl This whole bit snagged from gcc
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dnl
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dnl mmap(2) blacklisting. Some platforms provide the mmap library routine
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dnl but don't support all of the features we need from it.
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dnl
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AC_DEFUN([GCC_AC_FUNC_MMAP_BLACKLIST],
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[
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AC_CHECK_HEADER([sys/mman.h],
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[gcc_header_sys_mman_h=yes], [gcc_header_sys_mman_h=no])
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AC_CHECK_FUNC([mmap], [gcc_func_mmap=yes], [gcc_func_mmap=no])
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if test "$gcc_header_sys_mman_h" != yes \
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|| test "$gcc_func_mmap" != yes; then
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gcc_cv_func_mmap_file=no
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gcc_cv_func_mmap_dev_zero=no
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gcc_cv_func_mmap_anon=no
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else
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AC_CACHE_CHECK([whether read-only mmap of a plain file works],
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gcc_cv_func_mmap_file,
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[# Add a system to this blacklist if
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# mmap(0, stat_size, PROT_READ, MAP_PRIVATE, fd, 0) doesn't return a
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# memory area containing the same data that you'd get if you applied
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# read() to the same fd. The only system known to have a problem here
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# is VMS, where text files have record structure.
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case "$host_os" in
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*vms* | ultrix*)
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gcc_cv_func_mmap_file=no ;;
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*)
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gcc_cv_func_mmap_file=yes;;
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esac])
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AC_CACHE_CHECK([whether mmap from /dev/zero works],
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gcc_cv_func_mmap_dev_zero,
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[# Add a system to this blacklist if it has mmap() but /dev/zero
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# does not exist, or if mmapping /dev/zero does not give anonymous
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# zeroed pages with both the following properties:
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# 1. If you map N consecutive pages in with one call, and then
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# unmap any subset of those pages, the pages that were not
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# explicitly unmapped remain accessible.
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# 2. If you map two adjacent blocks of memory and then unmap them
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# both at once, they must both go away.
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# Systems known to be in this category are Windows (all variants),
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# VMS, and Darwin.
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case "$host_os" in
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*vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00)
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gcc_cv_func_mmap_dev_zero=no ;;
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*)
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gcc_cv_func_mmap_dev_zero=yes;;
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esac])
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# Unlike /dev/zero, the MAP_ANON(YMOUS) defines can be probed for.
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AC_CACHE_CHECK([for MAP_ANON(YMOUS)], gcc_cv_decl_map_anon,
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[AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
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[#include <sys/types.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#ifndef MAP_ANONYMOUS
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#define MAP_ANONYMOUS MAP_ANON
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#endif
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],
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[int n = MAP_ANONYMOUS;])],
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gcc_cv_decl_map_anon=yes,
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gcc_cv_decl_map_anon=no)])
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if test $gcc_cv_decl_map_anon = no; then
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gcc_cv_func_mmap_anon=no
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else
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AC_CACHE_CHECK([whether mmap with MAP_ANON(YMOUS) works],
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gcc_cv_func_mmap_anon,
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[# Add a system to this blacklist if it has mmap() and MAP_ANON or
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# MAP_ANONYMOUS, but using mmap(..., MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
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# doesn't give anonymous zeroed pages with the same properties listed
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# above for use of /dev/zero.
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# Systems known to be in this category are Windows, VMS, and SCO Unix.
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case "$host_os" in
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*vms* | cygwin* | pe | mingw* | sco* | udk* )
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gcc_cv_func_mmap_anon=no ;;
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*)
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gcc_cv_func_mmap_anon=yes;;
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esac])
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fi
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fi
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if test $gcc_cv_func_mmap_file = yes; then
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AC_DEFINE(HAVE_MMAP_FILE, 1,
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[Define if read-only mmap of a plain file works.])
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fi
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if test $gcc_cv_func_mmap_dev_zero = yes; then
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AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1,
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[Define if mmap of /dev/zero works.])
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fi
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if test $gcc_cv_func_mmap_anon = yes; then
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AC_DEFINE(HAVE_MMAP_ANON, 1,
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[Define if mmap with MAP_ANON(YMOUS) works.])
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fi
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])
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@ -1,2 +1,3 @@
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CFLAGS_FOR_TARGET += -mieee
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CXXFLAGS_FOR_TARGET += -mieee
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GOCFLAGS_FOR_TARGET += -mieee
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@ -5,6 +5,6 @@
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# as they have the D-to-I redirect for PC-relative loads. -mno-gpopt
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# has two purposes: it allows libraries to be used in situations where
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# $gp != our _gp, and it allows them to be built with -G8 while
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# retaining link compability with -G0 and -G4.
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# retaining link compatibility with -G0 and -G4.
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CFLAGS_FOR_TARGET += -Os -minterlink-mips16 -mcode-xonly -mno-gpopt
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CXXFLAGS_FOR_TARGET += -Os -minterlink-mips16 -mcode-xonly -mno-gpopt
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@ -19,7 +19,7 @@ case "${$2}" in
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;;
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i[[34567]]86-*-cygwin* | i[[34567]]86-*-mingw* | x86_64-*-mingw*)
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;;
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i[[34567]]86-*-interix3*)
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i[[34567]]86-*-interix[[3-9]]*)
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# Interix 3.x gcc -fpic/-fPIC options generate broken code.
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# Instead, we relocate shared libraries at runtime.
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;;
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@ -51,9 +51,6 @@ case "${$2}" in
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m68k-*-*)
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$1=-fpic
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;;
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s390*-*-*)
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$1=-fpic
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;;
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# FIXME: Override -fPIC default in libgcc only?
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sh-*-linux* | sh[[2346lbe]]*-*-linux*)
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$1=-fpic
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@ -18,7 +18,7 @@ dnl the "ISO C9X: 7.18 Integer types <stdint.h>" section requires the
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dnl existence of an include file <stdint.h> that defines a set of
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dnl typedefs, especially uint8_t,int32_t,uintptr_t.
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dnl Many older installations will not provide this file, but some will
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dnl have the very same definitions in <inttypes.h>. In other enviroments
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dnl have the very same definitions in <inttypes.h>. In other environments
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dnl we can use the inet-types in <sys/types.h> which would define the
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dnl typedefs int8_t and u_int8_t respectivly.
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dnl
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@ -290,7 +290,7 @@ AC_DEFUN([SC_LOAD_TCLCONFIG], [
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elif test "`uname -s`" = "Darwin"; then
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# If Tcl was built as a framework, attempt to use the libraries
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# from the framework at the given location so that linking works
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# against Tcl.framework installed in an arbitary location.
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# against Tcl.framework installed in an arbitrary location.
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case ${TCL_DEFS} in
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*TCL_FRAMEWORK*)
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if test -f "${TCL_BIN_DIR}/${TCL_LIB_FILE}"; then
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@ -373,7 +373,7 @@ AC_DEFUN([SC_LOAD_TKCONFIG], [
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elif test "`uname -s`" = "Darwin"; then
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# If Tk was built as a framework, attempt to use the libraries
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# from the framework at the given location so that linking works
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# against Tk.framework installed in an arbitary location.
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# against Tk.framework installed in an arbitrary location.
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case ${TK_DEFS} in
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*TK_FRAMEWORK*)
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if test -f "${TK_BIN_DIR}/${TK_LIB_FILE}"; then
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@ -815,7 +815,7 @@ AC_DEFUN([SC_ENABLE_LANGINFO], [
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#
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# Defines the following variable:
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#
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# MAN_FLAGS - The apropriate flags for installManPage
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# MAN_FLAGS - The appropriate flags for installManPage
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# according to the user's selection.
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#
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#--------------------------------------------------------------------
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@ -0,0 +1,47 @@
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dnl Check if the target supports weak.
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AC_DEFUN([GCC_CHECK_ATTRIBUTE_WEAK], [
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AC_CACHE_CHECK([whether the target supports weak],
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ac_cv_have_attribute_weak, [
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weakref_m4_saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Werror"
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AC_TRY_COMPILE([void __attribute__((weak)) foo(void) { }],
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[], ac_cv_have_attribute_weak=yes,
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ac_cv_have_attribute_weak=no)
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CFLAGS="$weakref_m4_saved_CFLAGS"])
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if test x"$ac_cv_have_attribute_weak" = xyes; then
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AC_DEFINE(HAVE_ATTRIBUTE_WEAK, 1,
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[Define to 1 if the target supports __attribute__((weak)).])
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fi])
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dnl Check whether weak refs work like the ELF ones.
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dnl This means that the weak reference works without having to satify
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dnl linkage for the item.
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dnl There are targets (at least Darwin) where we have fully functional
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dnl weakrefs at runtime, but must supply the referenced item at link time.
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AC_DEFUN([GCC_CHECK_ELF_STYLE_WEAKREF], [
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AC_CACHE_CHECK([whether weak refs work like ELF],
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ac_cv_have_elf_style_weakref, [
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weakref_m4_saved_CFLAGS="$CFLAGS"
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case "${host}" in
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*-apple-darwin*) CFLAGS="$CFLAGS -Wl,-undefined,dynamic_lookup" ;;
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*) ;;
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esac
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AC_RUN_IFELSE([AC_LANG_SOURCE([[
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extern void fNotToBeFound(void) __attribute__((weak));
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int main ()
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{
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if (fNotToBeFound)
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return 1;
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else
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return 0;
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}
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]])], ac_cv_have_elf_style_weakref=yes, ac_cv_have_elf_style_weakref=no, [
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case "${host}" in
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*-apple-darwin[[89]]*) ac_cv_have_elf_style_weakref=no ;;
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*) ac_cv_have_elf_style_weakref=yes;;
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esac])CFLAGS="$weakref_m4_saved_CFLAGS"])
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if test x"$ac_cv_have_elf_style_weakref" = xyes; then
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AC_DEFINE(HAVE_ELF_STYLE_WEAKREF, 1, [Define to 1 if target has a weakref that works like the ELF one.])
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fi])
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