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| author | Emanuele Giaquinta <exg@irssi.org> | 2006-10-27 17:14:57 +0000 |
|---|---|---|
| committer | exg <exg@dbcabf3a-b0e7-0310-adc4-f8d773084564> | 2006-10-27 17:14:57 +0000 |
| commit | 710fb0c2799b1fd0726b51ce626d680c1b0add30 (patch) | |
| tree | 8185253785a57b318ae6f12281e02e6153b278f2 /configure.in | |
| parent | d5c75a32088b7a0da1ed763d62dedc4d6d94cd36 (diff) | |
| download | irssi-710fb0c2799b1fd0726b51ce626d680c1b0add30.zip | |
Detect off_t size using AC_CHECK_SIZEOF because it works also when cross-compiling in autoconf-2.50 and higher.
git-svn-id: http://svn.irssi.org/repos/irssi/trunk@4392 dbcabf3a-b0e7-0310-adc4-f8d773084564
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 29 |
1 files changed, 6 insertions, 23 deletions
diff --git a/configure.in b/configure.in index 58002921..19e2cedb 100644 --- a/configure.in +++ b/configure.in @@ -1,4 +1,5 @@ AC_INIT(src) +AC_PREREQ(2.50) # we don't want VERSION in our config.h if grep '^#undef VERSION' $srcdir/config.h.in >/dev/null; then @@ -285,41 +286,23 @@ AC_DEFINE_UNQUOTED(_FILE_OFFSET_BITS, $preferred_off_t_bits) AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(long long) +AC_CHECK_SIZEOF(off_t) -dnl * older autoconfs don't include sys/types.h, so do it manually -AC_MSG_CHECKING([size of off_t]) -AC_TRY_RUN([ - #include <stdio.h> - #include <sys/types.h> - int main() { - FILE *f=fopen("conftestval", "w"); - if (!f) exit(1); - fprintf(f, "%d\n", sizeof(off_t)); - return 0; - } -], [ - sizeof_off_t=`cat conftestval` - rm -f conftestval -], [ - AC_ERROR([Unsupported off_t size]) -]) -AC_MSG_RESULT($sizeof_off_t) - -if test $sizeof_off_t = 8; then +if test $ac_cv_sizeof_off_t = 8; then offt_64bit=yes else offt_64bit=no fi -if test x$sizeof_off_t = x$ac_cv_sizeof_long; then +if test x$ac_cv_sizeof_off_t = x$ac_cv_sizeof_long; then # try to use unsigned long always first AC_DEFINE_UNQUOTED(PRIuUOFF_T, "lu") AC_DEFINE(UOFF_T_LONG) -elif test x$sizeof_off_t = x$ac_cv_sizeof_int; then +elif test x$ac_cv_sizeof_off_t = x$ac_cv_sizeof_int; then # next try int AC_DEFINE_UNQUOTED(PRIuUOFF_T, "u") AC_DEFINE(UOFF_T_INT) -elif test x$sizeof_off_t = x$ac_cv_sizeof_long_long; then +elif test x$ac_cv_sizeof_off_t = x$ac_cv_sizeof_long_long; then # and finally long long AC_DEFINE_UNQUOTED(PRIuUOFF_T, "llu") AC_DEFINE(UOFF_T_LONG_LONG) |