Support for Sun Studio compiler on Linux

This basically takes some build system code that was previously labeled
"Solaris" and ties it to the compiler rather than the operating system.

Author: Julius Stroffek <Julius.Stroffek@Sun.COM>

configure

@@ -686,6 +686,7 @@ CPPFLAGS
 ac_ct_CC
 EXEEXT
 OBJEXT
+SUN_STUDIO_CC
 CPP
 GCC
 TAS
@@ -3758,6 +3759,54 @@ fi
 
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
+# Check if it's Sun Studio compiler. We assume that
+# __SUNPRO_C will be defined for Sun Studio compilers
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+int
+main ()
+{
+#ifndef __SUNPRO_C
+choke me
+#endif
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  SUN_STUDIO_CC=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	SUN_STUDIO_CC=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
 unset CFLAGS
 
 #
@@ -26726,6 +26775,7 @@ CPPFLAGS!$CPPFLAGS$ac_delim
 ac_ct_CC!$ac_ct_CC$ac_delim
 EXEEXT!$EXEEXT$ac_delim
 OBJEXT!$OBJEXT$ac_delim
+SUN_STUDIO_CC!$SUN_STUDIO_CC$ac_delim
 CPP!$CPP$ac_delim
 GCC!$GCC$ac_delim
 TAS!$TAS$ac_delim
@@ -26754,7 +26804,6 @@ ELF_SYS!$ELF_SYS$ac_delim
 LDFLAGS_SL!$LDFLAGS_SL$ac_delim
 LD!$LD$ac_delim
 with_gnu_ld!$with_gnu_ld$ac_delim
-ld_R_works!$ld_R_works$ac_delim
 _ACEOF
 
   if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
@@ -26796,6 +26845,7 @@ _ACEOF
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   cat >conf$$subs.sed <<_ACEOF
+ld_R_works!$ld_R_works$ac_delim
 RANLIB!$RANLIB$ac_delim
 STRIP!$STRIP$ac_delim
 STRIP_STATIC_LIB!$STRIP_STATIC_LIB$ac_delim
@@ -26850,7 +26900,7 @@ vpath_build!$vpath_build$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 52; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 53; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5

configure.in

 dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.568 2008/10/29 09:27:24 petere Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.569 2008/10/29 16:06:46 petere Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -379,6 +379,14 @@ AC_TRY_COMPILE([], [@%:@ifndef __INTEL_COMPILER
 choke me
 @%:@endif], [ICC=[yes]], [ICC=[no]])
 
+# Check if it's Sun Studio compiler. We assume that
+# __SUNPRO_C will be defined for Sun Studio compilers
+AC_TRY_COMPILE([], [@%:@ifndef __SUNPRO_C
+choke me
+@%:@endif], [SUN_STUDIO_CC=yes], [SUN_STUDIO_CC=no])
+
+AC_SUBST(SUN_STUDIO_CC)
+
 unset CFLAGS
 
 #

src/Makefile.global.in

 # -*-makefile-*-
-# $PostgreSQL: pgsql/src/Makefile.global.in,v 1.244 2008/10/03 15:35:17 petere Exp $
+# $PostgreSQL: pgsql/src/Makefile.global.in,v 1.245 2008/10/29 16:06:46 petere Exp $
 
 #------------------------------------------------------------------------------
 # All PostgreSQL makefiles include this file and use the variables it sets,
@@ -213,6 +213,7 @@ endif # not PGXS
 
 CC = @CC@
 GCC = @GCC@
+SUN_STUDIO_CC = @SUN_STUDIO_CC@
 CFLAGS = @CFLAGS@
 
 # Kind-of compilers

src/backend/port/Makefile

@@ -13,7 +13,7 @@
 # be converted to Method 2.  
 #
 # IDENTIFICATION
-#    $PostgreSQL: pgsql/src/backend/port/Makefile,v 1.26 2008/02/19 15:29:58 petere Exp $
+#    $PostgreSQL: pgsql/src/backend/port/Makefile,v 1.27 2008/10/29 16:06:46 petere Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -33,8 +33,8 @@ endif
 include $(top_srcdir)/src/backend/common.mk
 
 tas.o: tas.s
-ifeq ($(PORTNAME), solaris)
-# preprocess assembler file with cpp, used by x86
+ifeq ($(SUN_STUDIO_CC), yes)
+# preprocess assembler file with cpp
 	$(CC) $(CFLAGS) -c -P $<
 	mv $*.i $*_cpp.s
 	$(CC) $(CFLAGS) -c $*_cpp.s -o $@

src/backend/port/tas/solaris_sparc.s → src/backend/port/tas/sunstudio_sparc.s

-!=======================================================================
-! solaris_sparc.s -- compare and swap for solaris_sparc
-!=======================================================================
+!-------------------------------------------------------------------------
+!
+! sunstudio_sparc.s
+!	  compare and swap for Sun Studio on Sparc
+!
+! Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
+! Portions Copyright (c) 1994, Regents of the University of California
+!
+! IDENTIFICATION
+!	  $PostgreSQL: pgsql/src/backend/port/tas/sunstudio_sparc.s,v 1.1 2008/10/29 16:06:47 petere Exp $
+!
+!-------------------------------------------------------------------------
 
 ! Fortunately the Sun compiler can process cpp conditionals with -P
 

src/backend/port/tas/solaris_x86.s → src/backend/port/tas/sunstudio_x86.s

-/=======================================================================
-/ solaris_i386.s -- compare and swap for solaris_i386
-/=======================================================================
+/-------------------------------------------------------------------------
+/
+/ sunstudio_x86.s
+/	  compare and swap for Sun Studio on x86
+/
+/ Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
+/ Portions Copyright (c) 1994, Regents of the University of California
+/
+/ IDENTIFICATION
+/	  $PostgreSQL: pgsql/src/backend/port/tas/sunstudio_x86.s,v 1.1 2008/10/29 16:06:47 petere Exp $
+/
+/-------------------------------------------------------------------------
 
 / Fortunately the Sun compiler can process cpp conditionals with -P
 

src/include/storage/s_lock.h

@@ -66,7 +66,7 @@
  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- *	  $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.164 2008/01/01 19:45:59 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/include/storage/s_lock.h,v 1.165 2008/10/29 16:06:47 petere Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -578,7 +578,7 @@ typedef unsigned char slock_t;
 #endif
 
 
-#endif	/* __GNUC__ */
+#endif	/* defined(__GNUC__) || defined(__INTEL_COMPILER) */
 
 
 
@@ -782,7 +782,7 @@ typedef unsigned char slock_t;
 #endif
 
 
-#if defined(__sun) && (defined(__i386) || defined(__x86_64__) || defined(__sparc__) || defined(__sparc))
+#if defined(__SUNPRO_C) && (defined(__i386) || defined(__x86_64__) || defined(__sparc__) || defined(__sparc))
 #define HAS_TEST_AND_SET
 
 #if defined(__i386) || defined(__x86_64__) || defined(__sparcv9) || defined(__sparcv8plus)

src/template/linux

-# $PostgreSQL: pgsql/src/template/linux,v 1.30 2007/09/21 02:33:46 tgl Exp $
+# $PostgreSQL: pgsql/src/template/linux,v 1.31 2008/10/29 16:06:47 petere Exp $
 
 # Force _GNU_SOURCE on; plperl is broken with Perl 5.8.0 otherwise
 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
 
 # If --enable-profiling is specified, we need -DLINUX_PROFILE
 PLATFORM_PROFILE_FLAGS="-DLINUX_PROFILE"
+
+if test "$SUN_STUDIO_CC" = "yes" ; then
+  CC="$CC -Xa"			# relaxed ISO C mode
+  CFLAGS="-v"			# -v is like gcc -Wall
+  if test "$enable_debug" != yes; then
+    CFLAGS="$CFLAGS -O"		# any optimization breaks debug
+  fi
+
+  # Pick the right test-and-set (TAS) code for the Sun compiler.
+  # We would like to use in-line assembler, but the compiler
+  # requires *.il files to be on every compile line, making
+  # the build system too fragile.
+  case $host_cpu in
+    sparc)
+	need_tas=yes
+	tas_file=sunstudio_sparc.s
+    ;;
+    i?86|x86_64)
+	need_tas=yes
+	tas_file=sunstudio_x86.s
+    ;;
+  esac
+fi

src/template/solaris

-if test "$GCC" != yes ; then
+if test "$SUN_STUDIO_CC" = yes ; then
   CC="$CC -Xa"			# relaxed ISO C mode
-  CFLAGS="-v -DSUNOS4_CC"	# -v is like gcc -Wall
+  CFLAGS="-v"			# -v is like gcc -Wall
   if test "$enable_debug" != yes; then
     CFLAGS="$CFLAGS -O"		# any optimization breaks debug
   fi
@@ -9,14 +9,14 @@ if test "$GCC" != yes ; then
   # We would like to use in-line assembler, but the compiler
   # requires *.il files to be on every compile line, making
   # the build system too fragile.
-  case $host in
-    sparc-*-solaris*)
+  case $host_cpu in
+    sparc)
 	need_tas=yes
-	tas_file=solaris_sparc.s
+	tas_file=sunstudio_sparc.s
     ;;
-    i?86-*-solaris*)
+    i?86|x86_64)
 	need_tas=yes
-	tas_file=solaris_x86.s
+	tas_file=sunstudio_x86.s
     ;;
   esac
 fi