acinclude.m4

   1 # See: http://gcc.gnu.org/ml/gcc/2000-05/msg01141.html
   2 AC_DEFUN([CHECK_PTHREAD],
   3 [
   4         AC_CHECK_LIB(pthread,pthread_create,
   5         [
   6                 PTHREAD_CPPFLAGS=
   7                 PTHREAD_LDFLAGS=
   8                 PTHREAD_LIBS=-lpthread
   9         ],[
  10                 AC_MSG_CHECKING(if compiler supports -pthread)
  11                 save_CPPFLAGS="$CPPFLAGS"
  12                 CPPFLAGS="$CPPFLAGS -pthread"
  13                 AC_TRY_LINK(
  14                 [
  15                         #include <pthread.h>
  16                 ],[
  17                         pthread_create(0,0,0,0);
  18                 ],[
  19                         AC_MSG_RESULT(yes)
  20                         PTHREAD_CPPFLAGS=-pthread
  21                         PTHREAD_LDFLAGS=-pthread
  22                         PTHREAD_LIBS=
  23                 ],[
  24                         AC_MSG_RESULT(no)
  25                         AC_MSG_CHECKING(if compiler supports -pthreads)
  26                         save_CPPFLAGS="$CPPFLAGS"
  27                         CPPFLAGS="$save_CPPFLAGS -pthreads"
  28                         AC_TRY_LINK(
  29                         [
  30                                 #include <pthread.h>
  31                         ],[
  32                                 pthread_create(0,0,0,0);
  33                         ],[
  34                                 AC_MSG_RESULT(yes)
  35                                 PTHREAD_CPPFLAGS=-pthreads
  36                                 PTHREAD_LDFLAGS=-pthreads
  37                                 PTHREAD_LIBS=
  38                         ],[
  39                                 AC_MSG_RESULT(no)
  40                                 AC_MSG_CHECKING(if compiler supports -threads)
  41                                 save_CPPFLAGS="$CPPFLAGS"
  42                                 CPPFLAGS="$save_CPPFLAGS -threads"
  43                                 AC_TRY_LINK(
  44                                 [
  45                                         #include <pthread.h>
  46                                 ],[
  47                                         pthread_create(0,0,0,0);
  48                                 ],[
  49                                         AC_MSG_RESULT(yes)
  50                                         PTHREAD_CPPFLAGS=-threads
  51                                         PTHREAD_LDFLAGS=-threads
  52                                         PTHREAD_LIBS=
  53                                 ],[
  54                                         AC_MSG_ERROR([Your system is not supporting pthreads!])
  55                                 ])
  56                         ])
  57                 ])
  58                 CPPFLAGS="$save_CPPFLAGS"
  59         ])
  60 ])
  61
  62 dnl Checks for all prerequisites of the intl subdirectory,
  63 dnl except for INTL_LIBTOOL_SUFFIX_PREFIX (and possibly LIBTOOL), INTLOBJS,
  64 dnl            USE_INCLUDED_LIBINTL, BUILD_INCLUDED_LIBINTL.
  65     AC_DEFUN([AM_INTL_SUBDIR], [])