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b845ea097c
Replaced by constant compile-time expressions. CPU_STRUCT_ALIGN is not really correct, but is consistent with the old behavior.
78 lines
1.3 KiB
Plaintext
78 lines
1.3 KiB
Plaintext
dnl ** Additional Autoconf tests for BIRD configure script
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dnl ** (c) 1999 Martin Mares <mj@ucw.cz>
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AC_DEFUN([BIRD_CHECK_PTHREADS],
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[
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bird_tmp_cflags="$CFLAGS"
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CFLAGS="$CFLAGS -pthread"
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AC_CACHE_CHECK(
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[whether POSIX threads are available],
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[bird_cv_lib_pthreads],
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[
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AC_LINK_IFELSE(
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[
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AC_LANG_PROGRAM(
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[ #include <pthread.h> ],
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[
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pthread_t pt;
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pthread_create(&pt, NULL, NULL, NULL);
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pthread_spinlock_t lock;
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pthread_spin_lock(&lock);
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]
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)
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],
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[bird_cv_lib_pthreads=yes],
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[bird_cv_lib_pthreads=no]
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)
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]
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)
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CFLAGS="$bird_tmp_cflags"
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])
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AC_DEFUN([BIRD_CHECK_GCC_OPTION],
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[
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bird_tmp_cflags="$CFLAGS"
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CFLAGS="$3 $2"
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AC_CACHE_CHECK(
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[whether CC supports $2],
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[$1],
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[
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM()],
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[$1=yes],
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[$1=no]
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)
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]
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)
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CFLAGS="$bird_tmp_cflags"
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])
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AC_DEFUN([BIRD_ADD_GCC_OPTION],
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[
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if test "$$1" = yes ; then
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CFLAGS="$CFLAGS $2"
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fi
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])
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# BIRD_CHECK_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE])
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# copied from autoconf internal _AC_PATH_PROG_FLAVOR_GNU
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AC_DEFUN([BIRD_CHECK_PROG_FLAVOR_GNU],
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[
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# Check for GNU $1
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case `"$1" --version 2>&1` in
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*GNU*)
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$2
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;;
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m4_ifval([$3],
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[*)
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$3
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;;
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]
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)
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esac
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])
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