diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/atomic_operations_64bit.m4 | 53 | ||||
| -rw-r--r-- | m4/shave.m4 | 99 |
2 files changed, 53 insertions, 99 deletions
diff --git a/m4/atomic_operations_64bit.m4 b/m4/atomic_operations_64bit.m4 new file mode 100644 index 00000000..3121cf15 --- /dev/null +++ b/m4/atomic_operations_64bit.m4 @@ -0,0 +1,53 @@ +# rsyslog +# +# atomic_operations.m4 - autoconf macro to check if compiler supports atomic +# operations +# +# rgerhards, 2008-09-18, added based on +# http://svn.apache.org/repos/asf/apr/apr/trunk/configure.in +# +# +AC_DEFUN([RS_ATOMIC_OPERATIONS_64BIT], +[AC_CACHE_CHECK([whether the compiler provides atomic builtins for 64 bit data types], [ap_cv_atomic_builtins_64], +[AC_TRY_RUN([ +int main() +{ + unsigned long long val = 1010, tmp, *mem = &val; + + if (__sync_fetch_and_add(&val, 1010) != 1010 || val != 2020) + return 1; + + tmp = val; + + if (__sync_fetch_and_sub(mem, 1010) != tmp || val != 1010) + return 1; + + if (__sync_sub_and_fetch(&val, 1010) != 0 || val != 0) + return 1; + + tmp = 3030; + + if (__sync_val_compare_and_swap(mem, 0, tmp) != 0 || val != tmp) + return 1; + + if (__sync_lock_test_and_set(&val, 4040) != 3030) + return 1; + + mem = &tmp; + + if (__sync_val_compare_and_swap(&mem, &tmp, &val) != &tmp) + return 1; + + __sync_synchronize(); + + if (mem != &val) + return 1; + + return 0; +}], [ap_cv_atomic_builtins_64=yes], [ap_cv_atomic_builtins_64=no], [ap_cv_atomic_builtins_64=no])]) + +if test "$ap_cv_atomic_builtins_64" = "yes"; then + AC_DEFINE(HAVE_ATOMIC_BUILTINS_64BIT, 1, [Define if compiler provides 64 bit atomic builtins]) +fi + +]) diff --git a/m4/shave.m4 b/m4/shave.m4 deleted file mode 100644 index e647e579..00000000 --- a/m4/shave.m4 +++ /dev/null @@ -1,99 +0,0 @@ -dnl Make automake/libtool output more friendly to humans -dnl -dnl Copyright (c) 2009, Damien Lespiau <damien.lespiau@gmail.com> -dnl -dnl Permission is hereby granted, free of charge, to any person -dnl obtaining a copy of this software and associated documentation -dnl files (the "Software"), to deal in the Software without -dnl restriction, including without limitation the rights to use, -dnl copy, modify, merge, publish, distribute, sublicense, and/or sell -dnl copies of the Software, and to permit persons to whom the -dnl Software is furnished to do so, subject to the following -dnl conditions: -dnl -dnl The above copyright notice and this permission notice shall be -dnl included in all copies or substantial portions of the Software. -dnl -dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -dnl EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES -dnl OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -dnl NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT -dnl HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, -dnl WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -dnl FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -dnl OTHER DEALINGS IN THE SOFTWARE. -dnl -dnl SHAVE_INIT([shavedir],[default_mode]) -dnl -dnl shavedir: the directory where the shave scripts are, it defaults to -dnl $(top_builddir) -dnl default_mode: (enable|disable) default shave mode. This parameter -dnl controls shave's behaviour when no option has been -dnl given to configure. It defaults to disable. -dnl -dnl * SHAVE_INIT should be called late in your configure.(ac|in) file (just -dnl before AC_CONFIG_FILE/AC_OUTPUT is perfect. This macro rewrites CC and -dnl LIBTOOL, you don't want the configure tests to have these variables -dnl re-defined. -dnl * This macro requires GNU make's -s option. - -AC_DEFUN([_SHAVE_ARG_ENABLE], -[ - AC_ARG_ENABLE([shave], - AS_HELP_STRING( - [--enable-shave], - [use shave to make the build pretty [[default=$1]]]),, - [enable_shave=$1] - ) -]) - -AC_DEFUN([SHAVE_INIT], -[ - dnl you can tweak the default value of enable_shave - m4_if([$2], [enable], [_SHAVE_ARG_ENABLE(yes)], [_SHAVE_ARG_ENABLE(no)]) - - if test x"$enable_shave" = xyes; then - dnl where can we find the shave scripts? - m4_if([$1],, - [shavedir="$ac_pwd"], - [shavedir="$ac_pwd/$1"]) - AC_SUBST(shavedir) - - dnl make is now quiet - AC_SUBST([MAKEFLAGS], [-s]) - AC_SUBST([AM_MAKEFLAGS], ['`test -z $V && echo -s`']) - - dnl we need sed - AC_CHECK_PROG(SED,sed,sed,false) - - dnl substitute libtool - SHAVE_SAVED_LIBTOOL=$LIBTOOL - LIBTOOL="${SHELL} ${shavedir}/shave-libtool '${SHAVE_SAVED_LIBTOOL}'" - AC_SUBST(LIBTOOL) - - dnl substitute cc/cxx - SHAVE_SAVED_CC=$CC - SHAVE_SAVED_CXX=$CXX - SHAVE_SAVED_FC=$FC - SHAVE_SAVED_F77=$F77 - SHAVE_SAVED_OBJC=$OBJC - CC="${SHELL} ${shavedir}/shave cc ${SHAVE_SAVED_CC}" - CXX="${SHELL} ${shavedir}/shave cxx ${SHAVE_SAVED_CXX}" - FC="${SHELL} ${shavedir}/shave fc ${SHAVE_SAVED_FC}" - F77="${SHELL} ${shavedir}/shave f77 ${SHAVE_SAVED_F77}" - OBJC="${SHELL} ${shavedir}/shave objc ${SHAVE_SAVED_OBJC}" - AC_SUBST(CC) - AC_SUBST(CXX) - AC_SUBST(FC) - AC_SUBST(F77) - AC_SUBST(OBJC) - - V=@ - else - V=1 - fi - Q='$(V:1=)' - AC_SUBST(V) - AC_SUBST(Q) -]) - |