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* aclocal.m4 (libiberty_AC_DECLARE_ERRNO): New macro.

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* configure.in (libiberty_AC_DECLARE_ERRNO): Add check.
	* configure, config.in: Regenerate.
	* pexecute.c, strtol.c, strtoul.c: Declare errno if necessary.
This commit is contained in:
Jeff Law
2000-07-23 16:05:33 +00:00
parent b123325783
commit 7d3ffcaf85
8 changed files with 146 additions and 78 deletions
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14
libiberty/aclocal.m4 vendored
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@ -69,3 +69,17 @@ if test $ac_cv_func_strncmp_works = no ; then
LIBOBJS="$LIBOBJS strncmp.o"
fi
])
dnl See if errno must be declared even when <errno.h> is included.
AC_DEFUN(libiberty_AC_DECLARE_ERRNO,
[AC_CACHE_CHECK(whether errno must be declared, libiberty_cv_declare_errno,
[AC_TRY_COMPILE(
[#include <errno.h>],
[int x = errno;],
libiberty_cv_declare_errno=no,
libiberty_cv_declare_errno=yes)])
if test $libiberty_cv_declare_errno = yes
then AC_DEFINE(NEED_DECLARATION_ERRNO, 1,
[Define if errno must be declared even when <errno.h> is included.])
fi
])