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https://gitlab.nic.cz/labs/bird.git
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b81a73d1fb
Make indentation and quotation consistent in configure macros. Also remove --with-sysinclude option, which was broken for 7 years and nobody complained. Thanks to Ruben Kerkhof for source patches.
166 lines
2.9 KiB
Plaintext
166 lines
2.9 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_STRUCT_ALIGN],
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[
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AC_CACHE_CHECK(
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[usual alignment of structures],
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[bird_cv_c_struct_align],
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[
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AC_TRY_RUN(
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[
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#include <stdio.h>
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struct { char x; long int y; } ary[2];
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int main(void)
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{
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FILE *f = fopen("conftestresult", "w");
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if (!f)
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return 10;
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fprintf(f, "%d", sizeof(ary)/2);
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fclose(f);
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exit(0);
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}
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],
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[bird_cv_c_struct_align=$(cat conftestresult)],
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[
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AC_MSG_RESULT([test program failed])
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AC_MSG_ERROR([Cannot determine structure alignment])
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],
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[bird_cv_c_struct_align=16]
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)
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]
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)
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AC_DEFINE_UNQUOTED([CPU_STRUCT_ALIGN],
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[$bird_cv_c_struct_align],
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[Usual alignment of structures]
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)
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])
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AC_DEFUN([BIRD_CHECK_TIME_T],
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[
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AC_CACHE_CHECK(
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[characteristics of time_t],
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[bird_cv_type_time_t],
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[
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AC_TRY_RUN(
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[
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#include <stdio.h>
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#include <sys/time.h>
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#include <limits.h>
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int main(void)
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{
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FILE *f = fopen("conftestresult", "w");
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if (!f)
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return 10;
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fprintf(f, "%d-bit ", sizeof(time_t)*CHAR_BIT);
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if ((time_t) -1 > 0)
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fprintf(f, "un");
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fprintf(f, "signed");
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fclose(f);
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exit(0);
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}
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],
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[bird_cv_type_time_t=$(cat conftestresult)],
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[
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AC_MSG_RESULT([test program failed])
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AC_MSG_ERROR([Cannot determine time_t size and signedness.])
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],
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[bird_cv_type_time_t="32-bit signed"]
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)
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]
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)
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case "$bird_cv_type_time_t" in
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*64-bit*)
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AC_DEFINE([TIME_T_IS_64BIT], [1], [Define to 1 if time_t is 64 bit])
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;;
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esac
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case "$bird_cv_type_time_t" in
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*unsigned*)
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;;
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*)
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AC_DEFINE([TIME_T_IS_SIGNED], [1], [Define to 1 if time_t is signed])
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;;
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esac
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])
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AC_DEFUN([BIRD_CHECK_PTHREADS],
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[
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bird_tmp_cflags="$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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