From acbd270e3706b8ce260cef6056454ed1f75fd4b1 Mon Sep 17 00:00:00 2001
From: "Peter S. Mazinger" <ps.m@gmx.net>
Date: Wed, 21 Sep 2005 23:33:29 +0000
Subject: include headers only if the related option is enabled

---
 libc/pwd_grp/pwd_grp.c      | 3 +++
 libc/unistd/getopt.c        | 3 +++
 libc/unistd/sysconf.c       | 2 ++
 librt/kernel-posix-timers.h | 5 +++++
 4 files changed, 13 insertions(+)

diff --git a/libc/pwd_grp/pwd_grp.c b/libc/pwd_grp/pwd_grp.c
index 91c0d83f5..e56b545d6 100644
--- a/libc/pwd_grp/pwd_grp.c
+++ b/libc/pwd_grp/pwd_grp.c
@@ -41,7 +41,10 @@
 #include <ctype.h>
 #include <pwd.h>
 #include <grp.h>
+#include <paths.h>
+#ifdef __HAS_SHADOW__
 #include <shadow.h>
+#endif
 #ifdef __UCLIBC_HAS_THREADS__
 #include <pthread.h>
 #endif
diff --git a/libc/unistd/getopt.c b/libc/unistd/getopt.c
index 504f3764c..0dc0e0509 100644
--- a/libc/unistd/getopt.c
+++ b/libc/unistd/getopt.c
@@ -26,10 +26,13 @@
  * Modified once again for uClibc by Erik Andersen 8/7/02
  */
 
+#include <features.h>
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
+#ifdef __UCLIBC_HAS_GETTEXT_AWARENESS__
 #include <libintl.h>
+#endif
 
 #ifdef __UCLIBC_MJN3_ONLY__
 #warning TODO: Enable gettext awareness.
diff --git a/libc/unistd/sysconf.c b/libc/unistd/sysconf.c
index f5b49a10f..902697b45 100644
--- a/libc/unistd/sysconf.c
+++ b/libc/unistd/sysconf.c
@@ -29,7 +29,9 @@
 #include <unistd.h>
 #include <sys/sysinfo.h>
 #include <sys/types.h>
+#ifdef __UCLIBC_HAS_REGEX__
 #include <regex.h>
+#endif
 
 #ifndef __UCLIBC_CLK_TCK_CONST
 #error __UCLIBC_CLK_TCK_CONST not defined!
diff --git a/librt/kernel-posix-timers.h b/librt/kernel-posix-timers.h
index 5724af01b..bf246c925 100644
--- a/librt/kernel-posix-timers.h
+++ b/librt/kernel-posix-timers.h
@@ -2,10 +2,13 @@
  * kernel-posix-timers.h - kernel-dependent definitions for POSIX timers.
  */
 
+#include <features.h>
 #include <setjmp.h>
 #include <signal.h>
 #include <sys/types.h>
+#ifdef __UCLIBC_HAS_THREADS__
 #include <pthread.h>
+#endif
 
 /* Type of timers in the kernel */
 typedef int kernel_timer_t;
@@ -27,5 +30,7 @@ struct timer {
     /* Parameters for the thread to be started for SIGEV_THREAD */
     void (*thrfunc) (sigval_t);
     sigval_t sival;
+#ifdef __UCLIBC_HAS_THREADS__
     pthread_attr_t attr;
+#endif
 };
-- 
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