cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | # |
| 2 | # Macro to test for pthread library |
| 3 | # Written by Bob Friesenhahn based on test in ACX_PTHREAD |
| 4 | # MAGICK_CHECK_PTHREAD_LIB(LIBRARY, |
| 5 | # [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND]) |
| 6 | # |
| 7 | AC_DEFUN([MAGICK_CHECK_PTHREAD_LIB], [ |
| 8 | AC_REQUIRE([AC_CANONICAL_HOST]) |
| 9 | AC_LANG_SAVE |
| 10 | AC_LANG_C |
| 11 | magick_pthread_lib_ok=no |
| 12 | |
| 13 | LIB=-l$1 |
| 14 | save_LIBS="$LIBS" |
| 15 | LIBS="$LIBS $LIB" |
| 16 | |
| 17 | AC_MSG_CHECKING([for the pthreads library $LIB]) |
| 18 | AC_TRY_LINK([#include <pthread.h>], |
| 19 | [ pthread_t th; |
| 20 | pthread_join(th, 0); |
| 21 | pthread_attr_init(0); |
| 22 | pthread_cleanup_push(0, 0); |
| 23 | pthread_create(0,0,0,0); |
| 24 | pthread_cleanup_pop(0); ], |
| 25 | [magick_pthread_lib_ok=yes]) |
| 26 | |
| 27 | AC_MSG_RESULT(${magick_pthread_lib_ok}) |
| 28 | if test "$magick_pthread_lib_ok" = yes |
| 29 | then |
| 30 | $2 |
| 31 | : |
| 32 | else |
| 33 | $3 |
| 34 | : |
| 35 | fi |
| 36 | |
| 37 | LIBS="$save_LIBS" |
| 38 | |
| 39 | AC_LANG_RESTORE |
| 40 | ])dnl MAGICK_CHECK_PTHREAD_LIB |
| 41 | |