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Assume <errno.h> exists

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ISO C99 requires <errno.h>.

Many files in the project already include <errno.h> unconditionally,
so it's reasonable to assume that it is always available.

Link: <https://github.com/shadow-maint/shadow/pull/600>
Cc: Christian Göttsche <cgzones@googlemail.com>
Cc: Iker Pedrosa <ipedrosa@redhat.com>
Cc: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Alejandro Colomar <alx@kernel.org>
This commit is contained in:
Alejandro Colomar 2022-12-02 16:58:12 +01:00 committed by Iker Pedrosa
parent c4d9dcacc9
commit 1eaa30756e
2 changed files with 2 additions and 4 deletions
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2
configure.ac
View File

@ -36,7 +36,7 @@ LT_INIT
dnl Checks for libraries.
dnl Checks for header files.
AC_CHECK_HEADERS(crypt.h errno.h fcntl.h limits.h unistd.h sys/time.h utmp.h \
AC_CHECK_HEADERS(crypt.h fcntl.h limits.h unistd.h sys/time.h utmp.h \
utmpx.h termios.h termio.h sgtty.h sys/ioctl.h syslog.h paths.h \
utime.h ulimit.h sys/capability.h sys/random.h sys/resource.h \
gshadow.h lastlog.h locale.h rpc/key_prot.h netdb.h acl/libacl.h \

4
lib/defines.h
View File

@ -48,9 +48,7 @@ extern char * textdomain (const char * domainname);
#include <stdlib.h>
#include <string.h>
#if HAVE_ERRNO_H
# include <errno.h>
#endif
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>