diff options
Diffstat (limited to 'contrib/libf2c/libU77/configure.in')
| -rw-r--r-- | contrib/libf2c/libU77/configure.in | 42 |
1 files changed, 20 insertions, 22 deletions
diff --git a/contrib/libf2c/libU77/configure.in b/contrib/libf2c/libU77/configure.in index 13fa524..a56fc4c 100644 --- a/contrib/libf2c/libU77/configure.in +++ b/contrib/libf2c/libU77/configure.in @@ -23,17 +23,6 @@ AC_PREREQ(2.12.1) AC_INIT(access_.c) AC_CONFIG_HEADER(config.h:config.hin) -# 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]) - -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],[]) @@ -42,6 +31,26 @@ 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 $may_use_xopen_source = yes; then + AC_DEFINE(_XOPEN_SOURCE, 600L, [Get Single Unix Specification semantics]) + # The following is needed by irix6.2 so that struct timeval is declared. + AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, [Get Single Unix Specification semantics]) + # The following is needed by Solaris2.5.1 so that struct timeval is declared. + AC_DEFINE(__EXTENSIONS__, 1, [Solaris extensions]) + AC_DEFINE(_FILE_OFFSET_BITS, 64, [Get 64-bit file size support]) +fi + +dnl Checks for programs. + LIBTOOL='$(SHELL) ../libtool' AC_SUBST(LIBTOOL) @@ -70,17 +79,6 @@ fi dnl Checks for header files. 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(ac_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 ac_cv_sys_proto=yes, -dnl [ac_cv_sys_proto=no -dnl AC_DEFINE(KR_headers)])]) -dnl AC_MSG_RESULT($ac_cv_sys_proto) - AC_HEADER_TIME AC_CHECK_HEADERS(limits.h unistd.h sys/time.h string.h stdlib.h \ sys/param.h sys/times.h) |
