diff options
Diffstat (limited to 'contrib/libf2c/libI77/configure.in')
| -rw-r--r-- | contrib/libf2c/libI77/configure.in | 44 |
1 files changed, 21 insertions, 23 deletions
diff --git a/contrib/libf2c/libI77/configure.in b/contrib/libf2c/libI77/configure.in index 988a8e5..83f98fb 100644 --- a/contrib/libf2c/libI77/configure.in +++ b/contrib/libf2c/libI77/configure.in @@ -23,18 +23,6 @@ AC_PREREQ(2.12.1) AC_INIT(ftell_.c) AC_CONFIG_HEADER(config.h) -# These defines are necessary to get 64-bit file size support. - -AC_DEFINE(_XOPEN_SOURCE, 500L, [Get Single Unix Specification semantics]) -# The following is needed by irix6.2 so that struct timeval is declared. -AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, [Get Single Unix Specification semantics]) -# The following is needed by Solaris2.5.1 so that struct timeval is declared. -AC_DEFINE(__EXTENSIONS__, 1, [Solaris extensions]) -AC_DEFINE(_FILE_OFFSET_BITS, 64, [Get 64-bit file size support]) -AC_DEFINE(_LARGEFILE_SOURCE, 1, [Define for HP-UX ftello and fseeko extension.]) - -dnl Checks for programs. - dnl FIXME AC_PROG_CC wants CC to be able to link things, but it may dnl not be able to. define([AC_PROG_CC_WORKS],[]) @@ -43,6 +31,27 @@ define([AC_PROG_CC_WORKS],[]) # the makefiles AC_PROG_CC +# These defines are necessary to get 64-bit file size support. +# NetBSD 1.4 header files does not support XOPEN_SOURCE == 600, but it +# handles 64-bit file sizes without needing these defines. +AC_MSG_CHECKING(whether _XOPEN_SOURCE may be defined) +AC_TRY_COMPILE([#define _XOPEN_SOURCE 600L +#include <unistd.h>],, +may_use_xopen_source=yes, +may_use_xopen_source=no) +AC_MSG_RESULT($may_use_xopen_source) +if test $may_use_xopen_source = yes; then + AC_DEFINE(_XOPEN_SOURCE, 600L, [Get Single Unix Specification semantics]) + # The following is needed by irix6.2 so that struct timeval is declared. + AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, [Get Single Unix Specification semantics]) + # The following is needed by Solaris2.5.1 so that struct timeval is declared. + AC_DEFINE(__EXTENSIONS__, 1, [Solaris extensions]) + AC_DEFINE(_FILE_OFFSET_BITS, 64, [Get 64-bit file size support]) + AC_DEFINE(_LARGEFILE_SOURCE, 1, [Define for HP-UX ftello and fseeko extension.]) +fi + +dnl Checks for programs. + LIBTOOL='$(SHELL) ../libtool' AC_SUBST(LIBTOOL) @@ -62,17 +71,6 @@ the G77 runtime system. If necessary, install gcc now with \`LANGUAGES=c', then the target library, then build with \`LANGUAGES=f77'.])]) AC_HEADER_STDC -dnl We could do this if we didn't know we were using gcc -dnl AC_MSG_CHECKING(for prototype-savvy compiler) -dnl AC_CACHE_VAL(g77_cv_sys_proto, -dnl [AC_TRY_LINK(, -dnl dnl looks screwy because TRY_LINK expects a function body -dnl [return 0;} int foo (int * bar) {], -dnl g77_cv_sys_proto=yes, -dnl [g77_cv_sys_proto=no -dnl AC_DEFINE(KR_headers)])]) -dnl AC_MSG_RESULT($g77_cv_sys_proto) - AC_MSG_CHECKING(for posix) AC_CACHE_VAL(g77_cv_header_posix, AC_EGREP_CPP(yes, |
