Fix LIB_SPEC for systems without libpthread.

	* config/gnu-user.h: Introduce GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC.
	* config/arm/linux-eabi.h: Use GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC
	for Android.
	* config/i386/linux-common.h: Likewise.
	* config/mips/linux-common.h: Likewise.

From-SVN: r201871

gcc/ChangeLog

+2013-08-20  Pavel Chupin  <pavel.v.chupin@intel.com>
+
+	Fix LIB_SPEC for systems without libpthread.
+
+	* config/gnu-user.h: Introduce GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC.
+	* config/arm/linux-eabi.h: Use GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC
+	for Android.
+	* config/i386/linux-common.h: Likewise.
+	* config/mips/linux-common.h: Likewise.
+
 2013-08-20  Zhouyi Zhou <yizhouzhou@ict.ac.cn>
 
 	* tree-ssa-ccp.c (get_default_value): Remove redundant condition

gcc/config/arm/linux-eabi.h

@@ -99,7 +99,7 @@
 #undef  LIB_SPEC
 #define LIB_SPEC							\
   LINUX_OR_ANDROID_LD (GNU_USER_TARGET_LIB_SPEC,			\
-		       GNU_USER_TARGET_LIB_SPEC " " ANDROID_LIB_SPEC)
+		    GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC " " ANDROID_LIB_SPEC)
 
 #undef	STARTFILE_SPEC
 #define STARTFILE_SPEC \

gcc/config/gnu-user.h

@@ -82,10 +82,14 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
 #undef CPLUSPLUS_CPP_SPEC
 #define CPLUSPLUS_CPP_SPEC "-D_GNU_SOURCE %(cpp)"
 
-#define GNU_USER_TARGET_LIB_SPEC \
-  "%{pthread:-lpthread} \
-   %{shared:-lc} \
+#define GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC \
+  "%{shared:-lc} \
    %{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
+
+#define GNU_USER_TARGET_LIB_SPEC \
+  "%{pthread:-lpthread} " \
+  GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC
+
 #undef  LIB_SPEC
 #define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
 

gcc/config/i386/linux-common.h

@@ -40,7 +40,7 @@ along with GCC; see the file COPYING3.  If not see
 #undef  LIB_SPEC
 #define LIB_SPEC \
   LINUX_OR_ANDROID_LD (GNU_USER_TARGET_LIB_SPEC, \
-		       GNU_USER_TARGET_LIB_SPEC " " ANDROID_LIB_SPEC)
+		    GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC " " ANDROID_LIB_SPEC)
 
 #undef  STARTFILE_SPEC
 #define STARTFILE_SPEC \

gcc/config/mips/linux-common.h

@@ -44,7 +44,7 @@ along with GCC; see the file COPYING3.  If not see
 #undef  LIB_SPEC
 #define LIB_SPEC							\
   LINUX_OR_ANDROID_LD (GNU_USER_TARGET_LIB_SPEC,			\
-		       GNU_USER_TARGET_LIB_SPEC " " ANDROID_LIB_SPEC)
+		    GNU_USER_TARGET_NO_PTHREADS_LIB_SPEC " " ANDROID_LIB_SPEC)
 
 #undef  STARTFILE_SPEC
 #define STARTFILE_SPEC							\