diff options
Diffstat (limited to 'aclocal.m4')
| -rw-r--r-- | aclocal.m4 | 206 |
1 files changed, 53 insertions, 153 deletions
@@ -1,162 +1,57 @@ dnl ** Additional Autoconf tests for BIRD configure script dnl ** (c) 1999 Martin Mares <mj@ucw.cz> -AC_DEFUN(BIRD_CHECK_INTEGERS, -[AC_CHECK_SIZEOF(char, 0) -AC_CHECK_SIZEOF(short int, 0) -AC_CHECK_SIZEOF(int, 0) -AC_CHECK_SIZEOF(long int, 0) -AC_CHECK_SIZEOF(long long int, 0) -for size in 1 2 4 8; do - bits=`expr $size "*" 8` - AC_MSG_CHECKING([for $bits-bit type]) - if test $ac_cv_sizeof_int = $size ; then - res=int - elif test $ac_cv_sizeof_char = $size ; then - res=char - elif test $ac_cv_sizeof_short_int = $size ; then - res="short int" - elif test $ac_cv_sizeof_long_int = $size ; then - res="long int" - elif test $ac_cv_sizeof_long_long_int = $size ; then - res="long long int" - else - AC_MSG_RESULT([not found]) - AC_MSG_ERROR([Cannot find $bits-bit integer type.]) - fi - AC_MSG_RESULT($res) - AC_DEFINE_UNQUOTED(INTEGER_$bits, $res) - done -]) - -dnl BIRD_CHECK_ENDIAN is unused and obsolete -AC_DEFUN(BIRD_CHECK_ENDIAN, -[AC_CACHE_CHECK([CPU endianity], bird_cv_c_endian,[ -AC_TRY_RUN([ -#include <stdio.h> - -unsigned int x = 0x12345678; -unsigned char *z = (unsigned char *) &x; - -int main(void) -{ - FILE *f = fopen("conftestresult", "w"); - if (!f) return 10; - fprintf(f, "%02x %02x %02x %02x", *z, *(z+1), *(z+2), *(z+3)); - fclose(f); - exit(0); -} -],[ - endian=`cat conftestresult` - if test "$endian" = "12 34 56 78" ; then - bird_cv_c_endian=big-endian - elif test "$endian" = "78 56 34 12" ; then - bird_cv_c_endian=little-endian - fi -],[endian="test program failed"],[endian="not available, we're cross compiling"]) -if test -z "$bird_cv_c_endian" ; then - AC_MSG_RESULT($endian) - AC_MSG_ERROR([Cannot determine CPU endianity.]) - fi -]) -case $bird_cv_c_endian in - big-endian) AC_DEFINE(CPU_BIG_ENDIAN) ;; - little-endian) AC_DEFINE(CPU_LITTLE_ENDIAN) ;; - esac -]) - -AC_DEFUN(BIRD_CHECK_STRUCT_ALIGN, -[AC_CACHE_CHECK([usual alignment of structures],bird_cv_c_struct_align,[ -AC_TRY_RUN([ -#include <stdio.h> - -struct { char x; long int y; } ary[2]; - -int main(void) -{ - FILE *f = fopen("conftestresult", "w"); - if (!f) return 10; - fprintf(f, "%d", sizeof(ary)/2); - fclose(f); - exit(0); -} -],[ -bird_cv_c_struct_align=`cat conftestresult` -],[ -AC_MSG_RESULT([test program failed]) -AC_MSG_ERROR([Cannot determine structure alignment]) -],[bird_cv_c_struct_align=16]) -]) -AC_DEFINE_UNQUOTED(CPU_STRUCT_ALIGN, $bird_cv_c_struct_align) -]) - -AC_DEFUN(BIRD_CHECK_TIME_T, -[AC_CACHE_CHECK([characteristics of time_t], bird_cv_type_time_t, [ -AC_TRY_RUN([ -#include <stdio.h> -#include <sys/time.h> -#include <limits.h> - -int main(void) -{ - FILE *f = fopen("conftestresult", "w"); - if (!f) return 10; - fprintf(f, "%d-bit ", sizeof(time_t)*CHAR_BIT); - if ((time_t) -1 > 0) fprintf(f, "un"); - fprintf(f, "signed"); - fclose(f); - exit(0); -} -],[bird_cv_type_time_t=`cat conftestresult` -],[ AC_MSG_RESULT([test program failed]) - AC_MSG_ERROR([Cannot determine time_t size and signedness.]) -],[bird_cv_type_time_t="32-bit signed"]) -]) -case "$bird_cv_type_time_t" in - *64-bit*) AC_DEFINE(TIME_T_IS_64BIT) ;; - esac -case "$bird_cv_type_time_t" in - *unsigned*) ;; - *) AC_DEFINE(TIME_T_IS_SIGNED) ;; - esac -]) - -AC_DEFUN(BIRD_CHECK_STRUCT_IP_MREQN, -[AC_CACHE_CHECK([for struct ip_mreqn], bird_cv_struct_ip_mreqn,[ -AC_TRY_COMPILE([#include <netinet/in.h> -],[struct ip_mreqn x; -],[bird_cv_struct_ip_mreqn=yes -],[bird_cv_struct_ip_mreqn=no -])]) -if test "$bird_cv_struct_ip_mreqn" = yes ; then - AC_DEFINE(HAVE_STRUCT_IP_MREQN) -fi -]) - -AC_DEFUN(BIRD_CHECK_PTHREADS, +AC_DEFUN([BIRD_CHECK_PTHREADS], [ bird_tmp_cflags="$CFLAGS" - CFLAGS="$CFLAGS -pthread" - AC_CACHE_CHECK([whether POSIX threads are available], bird_cv_lib_pthreads, - [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_t pt; pthread_create(&pt, NULL, NULL, NULL); pthread_spinlock_t lock; pthread_spin_lock(&lock); ]])], - [bird_cv_lib_pthreads=yes], [bird_cv_lib_pthreads=no])]) + + AC_CACHE_CHECK( + [whether POSIX threads are available], + [bird_cv_lib_pthreads], + [ + AC_LINK_IFELSE( + [ + AC_LANG_PROGRAM( + [ #include <pthread.h> ], + [ + pthread_t pt; + pthread_create(&pt, NULL, NULL, NULL); + pthread_spinlock_t lock; + pthread_spin_lock(&lock); + ] + ) + ], + [bird_cv_lib_pthreads=yes], + [bird_cv_lib_pthreads=no] + ) + ] + ) CFLAGS="$bird_tmp_cflags" ]) -AC_DEFUN(BIRD_CHECK_GCC_OPTION, +AC_DEFUN([BIRD_CHECK_GCC_OPTION], [ bird_tmp_cflags="$CFLAGS" - CFLAGS="$3 $2" - AC_CACHE_CHECK([whether CC supports $2], $1, - [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], [$1=yes], [$1=no])]) + + AC_CACHE_CHECK( + [whether CC supports $2], + [$1], + [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM()], + [$1=yes], + [$1=no] + ) + ] + ) CFLAGS="$bird_tmp_cflags" ]) -AC_DEFUN(BIRD_ADD_GCC_OPTION, +AC_DEFUN([BIRD_ADD_GCC_OPTION], [ if test "$$1" = yes ; then CFLAGS="$CFLAGS $2" @@ -164,14 +59,19 @@ AC_DEFUN(BIRD_ADD_GCC_OPTION, ]) # BIRD_CHECK_PROG_FLAVOR_GNU(PROGRAM-PATH, IF-SUCCESS, [IF-FAILURE]) -# copied autoconf internal _AC_PATH_PROG_FLAVOR_GNU -m4_define([BIRD_CHECK_PROG_FLAVOR_GNU], -[# Check for GNU $1 -case `"$1" --version 2>&1` in -*GNU*) - $2;; -m4_ifval([$3], -[*) - $3;; -])esac -])# +# copied from autoconf internal _AC_PATH_PROG_FLAVOR_GNU +AC_DEFUN([BIRD_CHECK_PROG_FLAVOR_GNU], +[ + # Check for GNU $1 + case `"$1" --version 2>&1` in + *GNU*) + $2 + ;; + m4_ifval([$3], + [*) + $3 + ;; + ] + ) + esac +]) |