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Use AC_CHECK_SIZEOF to find the size of off_t, pthread_t and time_t.

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Alexandre Vassalotti 2009-07-17 04:24:45 +00:00
parent 3e8b869c9c
commit 786c29e39e
1 changed files with 9 additions and 56 deletions
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65
configure.in
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@ -1428,26 +1428,10 @@ AC_CHECK_TYPES(uintptr_t,
#include <stdint.h> #include <stdint.h>
#endif]) #endif])
AC_CHECK_SIZEOF(off_t, []
# Hmph. AC_CHECK_SIZEOF() doesn't include <sys/types.h>. [AC_INCLUDES_DEFAULT,
AC_MSG_CHECKING(size of off_t) #include <sys/types.h>
AC_CACHE_VAL(ac_cv_sizeof_off_t,
[AC_TRY_RUN([#include <stdio.h>
#include <sys/types.h>
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", sizeof(off_t));
exit(0);
}],
ac_cv_sizeof_off_t=`cat conftestval`,
ac_cv_sizeof_off_t=0,
ac_cv_sizeof_off_t=4)
]) ])
AC_MSG_RESULT($ac_cv_sizeof_off_t)
AC_DEFINE_UNQUOTED(SIZEOF_OFF_T, $ac_cv_sizeof_off_t,
[The number of bytes in an off_t.])
AC_MSG_CHECKING(whether to enable large file support) AC_MSG_CHECKING(whether to enable large file support)
if test "$have_long_long" = yes -a \ if test "$have_long_long" = yes -a \
@ -1463,26 +1447,10 @@ else
AC_MSG_RESULT(no) AC_MSG_RESULT(no)
fi fi
# AC_CHECK_SIZEOF() doesn't include <time.h>. AC_CHECK_SIZEOF(time_t, []
AC_MSG_CHECKING(size of time_t) [AC_INCLUDES_DEFAULT,
AC_CACHE_VAL(ac_cv_sizeof_time_t, #include <time.h>
[AC_TRY_RUN([#include <stdio.h>
#include <time.h>
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", sizeof(time_t));
exit(0);
}],
ac_cv_sizeof_time_t=`cat conftestval`,
ac_cv_sizeof_time_t=0,
ac_cv_sizeof_time_t=4)
]) ])
AC_MSG_RESULT($ac_cv_sizeof_time_t)
AC_DEFINE_UNQUOTED(SIZEOF_TIME_T, $ac_cv_sizeof_time_t,
[The number of bytes in a time_t.])
# if have pthread_t then define SIZEOF_PTHREAD_T # if have pthread_t then define SIZEOF_PTHREAD_T
ac_save_cc="$CC" ac_save_cc="$CC"
@ -1498,25 +1466,10 @@ have_pthread_t=no
AC_TRY_COMPILE([#include <pthread.h>], [pthread_t x; x = *(pthread_t*)0;], have_pthread_t=yes) AC_TRY_COMPILE([#include <pthread.h>], [pthread_t x; x = *(pthread_t*)0;], have_pthread_t=yes)
AC_MSG_RESULT($have_pthread_t) AC_MSG_RESULT($have_pthread_t)
if test "$have_pthread_t" = yes ; then if test "$have_pthread_t" = yes ; then
# AC_CHECK_SIZEOF() doesn't include <pthread.h>. AC_CHECK_SIZEOF(pthread_t, []
AC_MSG_CHECKING(size of pthread_t) [AC_INCLUDES_DEFAULT,
AC_CACHE_VAL(ac_cv_sizeof_pthread_t, #include <pthread.h>
[AC_TRY_RUN([#include <stdio.h>
#include <pthread.h>
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", sizeof(pthread_t));
exit(0);
}],
ac_cv_sizeof_pthread_t=`cat conftestval`,
ac_cv_sizeof_pthread_t=0,
ac_cv_sizeof_pthread_t=4)
]) ])
AC_MSG_RESULT($ac_cv_sizeof_pthread_t)
AC_DEFINE_UNQUOTED(SIZEOF_PTHREAD_T, $ac_cv_sizeof_pthread_t,
[The number of bytes in a pthread_t.])
fi fi
CC="$ac_save_cc" CC="$ac_save_cc"