diff options
| -rw-r--r-- | config/ChangeLog | 4 | ||||
| -rw-r--r-- | config/mmap.m4 | 6 | ||||
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/Makefile.in | 1 | ||||
| -rw-r--r-- | gcc/acinclude.m4 | 93 | ||||
| -rw-r--r-- | gcc/aclocal.m4 | 1 | ||||
| -rwxr-xr-x | gcc/configure | 6 | ||||
| -rw-r--r-- | gcc/configure.ac | 2 | ||||
| -rw-r--r-- | libitm/ChangeLog | 4 | ||||
| -rw-r--r-- | libitm/configure | 6 |
10 files changed, 29 insertions, 103 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index ab8916f452c..c1b15bea3f1 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,7 @@ +2012-04-03 Tristan Gingold <gingold@adacore.com> + + * mmap.m4: Use *vms* instead of vms*. + 2012-04-02 Tristan Gingold <gingold@adacore.com> * math.m4 (GCC_CHECK_MATH_FUNC): Remove if-present diff --git a/config/mmap.m4 b/config/mmap.m4 index 39d79afc749..fba0d9d3657 100644 --- a/config/mmap.m4 +++ b/config/mmap.m4 @@ -24,7 +24,7 @@ else # read() to the same fd. The only system known to have a problem here # is VMS, where text files have record structure. case "$host_os" in - vms* | ultrix*) + *vms* | ultrix*) gcc_cv_func_mmap_file=no ;; *) gcc_cv_func_mmap_file=yes;; @@ -42,7 +42,7 @@ else # Systems known to be in this category are Windows (all variants), # VMS, and Darwin. case "$host_os" in - vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00) + *vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00) gcc_cv_func_mmap_dev_zero=no ;; *) gcc_cv_func_mmap_dev_zero=yes;; @@ -74,7 +74,7 @@ else # above for use of /dev/zero. # Systems known to be in this category are Windows, VMS, and SCO Unix. case "$host_os" in - vms* | cygwin* | pe | mingw* | sco* | udk* ) + *vms* | cygwin* | pe | mingw* | sco* | udk* ) gcc_cv_func_mmap_anon=no ;; *) gcc_cv_func_mmap_anon=yes;; diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 74a5a184811..db516599680 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,12 @@ +2012-04-03 Tristan Gingold <gingold@adacore.com> + + * configure.ac: Use GCC_AC_FUNC_MMAP_BLACKLIST instead + of gcc_AC_FUNC_MMAP_BLACKLIST. + * acinclude.m4 (gcc_AC_FUNC_MMAP_BLACKLIST): Remove. + * Makefile.in (aclocal_deps): Add mmap.m4. + * configure: Regenerate. + * aclocal.m4: Regenerate. + 2012-04-03 Richard Guenther <rguenther@suse.de> PR tree-optimization/52808 diff --git a/gcc/Makefile.in b/gcc/Makefile.in index f5fa0c3b6c2..8fd82089563 100644 --- a/gcc/Makefile.in +++ b/gcc/Makefile.in @@ -1650,6 +1650,7 @@ aclocal_deps = \ $(srcdir)/../config/unwind_ipinfo.m4 \ $(srcdir)/../config/warnings.m4 \ $(srcdir)/../config/dfp.m4 \ + $(srcdir)/../config/mmap.m4 \ $(srcdir)/acinclude.m4 $(srcdir)/configure: @MAINT@ $(srcdir)/configure.ac $(srcdir)/aclocal.m4 diff --git a/gcc/acinclude.m4 b/gcc/acinclude.m4 index 84b828fe598..c24464b5977 100644 --- a/gcc/acinclude.m4 +++ b/gcc/acinclude.m4 @@ -221,99 +221,6 @@ test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' AC_SUBST(INSTALL_DATA)dnl ]) -# mmap(2) blacklisting. Some platforms provide the mmap library routine -# but don't support all of the features we need from it. -AC_DEFUN([gcc_AC_FUNC_MMAP_BLACKLIST], -[ -AC_CHECK_HEADER([sys/mman.h], - [gcc_header_sys_mman_h=yes], [gcc_header_sys_mman_h=no]) -AC_CHECK_FUNC([mmap], [gcc_func_mmap=yes], [gcc_func_mmap=no]) -if test "$gcc_header_sys_mman_h" != yes \ - || test "$gcc_func_mmap" != yes; then - gcc_cv_func_mmap_file=no - gcc_cv_func_mmap_dev_zero=no - gcc_cv_func_mmap_anon=no -else - AC_CACHE_CHECK([whether read-only mmap of a plain file works], - gcc_cv_func_mmap_file, - [# Add a system to this blacklist if - # mmap(0, stat_size, PROT_READ, MAP_PRIVATE, fd, 0) doesn't return a - # memory area containing the same data that you'd get if you applied - # read() to the same fd. The only system known to have a problem here - # is VMS, where text files have record structure. - case "$host_os" in - vms* | ultrix*) - gcc_cv_func_mmap_file=no ;; - *) - gcc_cv_func_mmap_file=yes;; - esac]) - AC_CACHE_CHECK([whether mmap from /dev/zero works], - gcc_cv_func_mmap_dev_zero, - [# Add a system to this blacklist if it has mmap() but /dev/zero - # does not exist, or if mmapping /dev/zero does not give anonymous - # zeroed pages with both the following properties: - # 1. If you map N consecutive pages in with one call, and then - # unmap any subset of those pages, the pages that were not - # explicitly unmapped remain accessible. - # 2. If you map two adjacent blocks of memory and then unmap them - # both at once, they must both go away. - # Systems known to be in this category are Windows (all variants), - # VMS, and Darwin. - case "$host_os" in - vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00) - gcc_cv_func_mmap_dev_zero=no ;; - *) - gcc_cv_func_mmap_dev_zero=yes;; - esac]) - - # Unlike /dev/zero, the MAP_ANON(YMOUS) defines can be probed for. - AC_CACHE_CHECK([for MAP_ANON(YMOUS)], gcc_cv_decl_map_anon, - [AC_COMPILE_IFELSE([AC_LANG_PROGRAM( -[#include <sys/types.h> -#include <sys/mman.h> -#include <unistd.h> - -#ifndef MAP_ANONYMOUS -#define MAP_ANONYMOUS MAP_ANON -#endif -], -[int n = MAP_ANONYMOUS;])], - gcc_cv_decl_map_anon=yes, - gcc_cv_decl_map_anon=no)]) - - if test $gcc_cv_decl_map_anon = no; then - gcc_cv_func_mmap_anon=no - else - AC_CACHE_CHECK([whether mmap with MAP_ANON(YMOUS) works], - gcc_cv_func_mmap_anon, - [# Add a system to this blacklist if it has mmap() and MAP_ANON or - # MAP_ANONYMOUS, but using mmap(..., MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) - # doesn't give anonymous zeroed pages with the same properties listed - # above for use of /dev/zero. - # Systems known to be in this category are Windows, VMS, and SCO Unix. - case "$host_os" in - vms* | cygwin* | pe | mingw* | sco* | udk* ) - gcc_cv_func_mmap_anon=no ;; - *) - gcc_cv_func_mmap_anon=yes;; - esac]) - fi -fi - -if test $gcc_cv_func_mmap_file = yes; then - AC_DEFINE(HAVE_MMAP_FILE, 1, - [Define if read-only mmap of a plain file works.]) -fi -if test $gcc_cv_func_mmap_dev_zero = yes; then - AC_DEFINE(HAVE_MMAP_DEV_ZERO, 1, - [Define if mmap of /dev/zero works.]) -fi -if test $gcc_cv_func_mmap_anon = yes; then - AC_DEFINE(HAVE_MMAP_ANON, 1, - [Define if mmap with MAP_ANON(YMOUS) works.]) -fi -]) - dnl Determine if enumerated bitfields are unsigned. ISO C says they can dnl be either signed or unsigned. dnl diff --git a/gcc/aclocal.m4 b/gcc/aclocal.m4 index 06028cc051f..a992c3a96ed 100644 --- a/gcc/aclocal.m4 +++ b/gcc/aclocal.m4 @@ -113,6 +113,7 @@ m4_include([../config/lcmessage.m4]) m4_include([../config/lib-ld.m4]) m4_include([../config/lib-link.m4]) m4_include([../config/lib-prefix.m4]) +m4_include([../config/mmap.m4]) m4_include([../config/override.m4]) m4_include([../config/picflag.m4]) m4_include([../config/progtest.m4]) diff --git a/gcc/configure b/gcc/configure index db5459a42ad..c1b0e465c35 100755 --- a/gcc/configure +++ b/gcc/configure @@ -9182,7 +9182,7 @@ else # read() to the same fd. The only system known to have a problem here # is VMS, where text files have record structure. case "$host_os" in - vms* | ultrix*) + *vms* | ultrix*) gcc_cv_func_mmap_file=no ;; *) gcc_cv_func_mmap_file=yes;; @@ -9206,7 +9206,7 @@ else # Systems known to be in this category are Windows (all variants), # VMS, and Darwin. case "$host_os" in - vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00) + *vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00) gcc_cv_func_mmap_dev_zero=no ;; *) gcc_cv_func_mmap_dev_zero=yes;; @@ -9263,7 +9263,7 @@ else # above for use of /dev/zero. # Systems known to be in this category are Windows, VMS, and SCO Unix. case "$host_os" in - vms* | cygwin* | pe | mingw* | sco* | udk* ) + *vms* | cygwin* | pe | mingw* | sco* | udk* ) gcc_cv_func_mmap_anon=no ;; *) gcc_cv_func_mmap_anon=yes;; diff --git a/gcc/configure.ac b/gcc/configure.ac index d860b2b153f..8869121f768 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -1059,7 +1059,7 @@ fi AC_CHECK_TYPE(ssize_t, int) AC_CHECK_TYPE(caddr_t, char *) -gcc_AC_FUNC_MMAP_BLACKLIST +GCC_AC_FUNC_MMAP_BLACKLIST case "${host}" in *-*-*vms*) diff --git a/libitm/ChangeLog b/libitm/ChangeLog index 3eca612538d..456d1cd190f 100644 --- a/libitm/ChangeLog +++ b/libitm/ChangeLog @@ -1,3 +1,7 @@ +2012-04-03 Tristan Gingold <gingold@adacore.com> + + * configure: Regenerate. + 2012-03-31 H.J. Lu <hongjiu.lu@intel.com> PR bootstrap/52812 diff --git a/libitm/configure b/libitm/configure index 76d11c42dd7..8e1d19ee5a8 100644 --- a/libitm/configure +++ b/libitm/configure @@ -15794,7 +15794,7 @@ else # read() to the same fd. The only system known to have a problem here # is VMS, where text files have record structure. case "$host_os" in - vms* | ultrix*) + *vms* | ultrix*) gcc_cv_func_mmap_file=no ;; *) gcc_cv_func_mmap_file=yes;; @@ -15818,7 +15818,7 @@ else # Systems known to be in this category are Windows (all variants), # VMS, and Darwin. case "$host_os" in - vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00) + *vms* | cygwin* | pe | mingw* | darwin* | ultrix* | hpux10* | hpux11.00) gcc_cv_func_mmap_dev_zero=no ;; *) gcc_cv_func_mmap_dev_zero=yes;; @@ -15875,7 +15875,7 @@ else # above for use of /dev/zero. # Systems known to be in this category are Windows, VMS, and SCO Unix. case "$host_os" in - vms* | cygwin* | pe | mingw* | sco* | udk* ) + *vms* | cygwin* | pe | mingw* | sco* | udk* ) gcc_cv_func_mmap_anon=no ;; *) gcc_cv_func_mmap_anon=yes;; |
