sysv4.h (CRTOFFLOADBEGIN): Define.

	* config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
	if offloading is enabled and -fopenacc or -fopenmp is specified.
	(CRTOFFLOADEND): Likewise.
	(STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
	(ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.

From-SVN: r236098

gcc/ChangeLog

+2016-05-10  James Norris  <jnorris@codesourcery.com>
+
+	* config/rs6000/sysv4.h (CRTOFFLOADBEGIN): Define. Add crtoffloadbegin.o
+	if offloading is enabled and -fopenacc or -fopenmp is specified.
+	(CRTOFFLOADEND): Likewise.
+	(STARTFILE_LINUX_SPEC): Add CRTOFFLOADBEGIN.
+	(ENDFILE_LINUX_SPEC): Add CRTOFFLOADEND.
+
 2016-05-10  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/i386.c (legitimize_pic_address): Merge 64-bit and 32-bit

gcc/config/rs6000/sysv4.h

@@ -749,21 +749,32 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
 %{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \
 %{!shared: %{profile:-lc_p} %{!profile:-lc}}}"
 
+#if ENABLE_OFFLOADING == 1
+#define CRTOFFLOADBEGIN "%{fopenacc|fopenmp:crtoffloadbegin%O%s}"
+#define CRTOFFLOADEND "%{fopenacc|fopenmp:crtoffloadend%O%s}"
+#else
+#define CRTOFFLOADBEGIN ""
+#define CRTOFFLOADEND ""
+#endif
+
 #ifdef HAVE_LD_PIE
 #define	STARTFILE_LINUX_SPEC "\
 %{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
 %{mnewlib:ecrti.o%s;:crti.o%s} \
-%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s} \
+" CRTOFFLOADBEGIN
 #else
 #define	STARTFILE_LINUX_SPEC "\
 %{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
 %{mnewlib:ecrti.o%s;:crti.o%s} \
-%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
+%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s} \
+" CRTOFFLOADBEGIN
 #endif
 
 #define	ENDFILE_LINUX_SPEC "\
 %{shared|pie:crtendS.o%s;:crtend.o%s} \
-%{mnewlib:ecrtn.o%s;:crtn.o%s}"
+%{mnewlib:ecrtn.o%s;:crtn.o%s} \
+" CRTOFFLOADEND
 
 #define LINK_START_LINUX_SPEC ""