This centralizes the optimization defaults into configure.in, rather

than having CFLAGS= in the template files.

It uses -O2 for gcc (generated by autoconf), and -O for non-gcc, unless
the template overrides it.

configure

@@ -2393,6 +2393,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test "$ac_env_CFLAGS_set" = set; then
   CFLAGS=$ac_env_CFLAGS_value
 fi
+# configure sets CFLAGS to -O2 for gcc, so this is only for non-gcc
+if test x"$CFLAGS" = x""; then
+	CFLAGS="-O"
+fi
 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
   CFLAGS="$CFLAGS -g"
 fi

configure.in

 dnl Process this file with autoconf to produce a configure script.
-dnl $Header: /cvsroot/pgsql/configure.in,v 1.293 2003/10/03 03:08:14 pgsql Exp $
+dnl $Header: /cvsroot/pgsql/configure.in,v 1.294 2003/10/09 03:20:33 momjian Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -238,6 +238,10 @@ AC_PROG_CC([$pgac_cc_list])
 if test "$ac_env_CFLAGS_set" = set; then
   CFLAGS=$ac_env_CFLAGS_value
 fi
+# configure sets CFLAGS to -O2 for gcc, so this is only for non-gcc
+if test x"$CFLAGS" = x""; then	
+	CFLAGS="-O"
+fi
 if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
   CFLAGS="$CFLAGS -g"
 fi

src/template/beos

-CFLAGS='-O2'

src/template/bsdi

@@ -5,9 +5,7 @@ case $host_cpu in
 esac
 
 case $host_os in
-  bsdi2.0 | bsdi2.1 | bsdi3*)
-    CC=gcc2
-    ;;
+  bsdi2.0 | bsdi2.1 | bsdi3*) CC=gcc2;;
 esac
 
 THREAD_SUPPORT=yes

src/template/cygwin

-CFLAGS='-O2'
 SRCH_LIB='/usr/local/lib'

src/template/dgux

-CFLAGS=

src/template/freebsd

-CFLAGS='-pipe'
-
 case $host_cpu in
-  alpha*)   CFLAGS="$CFLAGS -O" ;;
+  alpha*)   CFLAGS="-O";;
 esac
 
 THREAD_SUPPORT=yes
 NEED_REENTRANT_FUNCS=yes
 THREAD_CPPFLAGS="-D_THREAD_SAFE"
 case $host_os in
-		freebsd2*|freebsd3*|freebsd4*)
-			THREAD_LIBS="-pthread"
-			;;
-		*)
-			THREAD_LIBS="-lc_r"
-			;;
+	freebsd2*|freebsd3*|freebsd4*) THREAD_LIBS="-pthread";;
+	*) THREAD_LIBS="-lc_r";;
 esac

src/template/hpux

-if test "$GCC" = yes ; then
-  CPPFLAGS="-D_XOPEN_SOURCE_EXTENDED"
-  CFLAGS="-O2"
-else
+CPPFLAGS="-D_XOPEN_SOURCE_EXTENDED"
+
+if test "$GCC" != yes ; then
   CC="$CC -Ae"
-  CPPFLAGS="-D_XOPEN_SOURCE_EXTENDED"
   CFLAGS="+O2"
 fi

src/template/irix5

-CFLAGS=

src/template/linux

-CFLAGS=-O2
 # Force _GNU_SOURCE on; plperl is broken with Perl 5.8.0 otherwise
 CPPFLAGS="-D_GNU_SOURCE"
 
@@ -6,4 +5,3 @@ THREAD_SUPPORT=yes
 NEED_REENTRANT_FUNCS=yes	# Debian kernel 2.2 2003-09-27
 THREAD_CPPFLAGS="-D_REENTRANT -D_THREAD_SAFE -D_POSIX_PTHREAD_SEMANTICS"
 THREAD_LIBS="-lpthread"
-

src/template/netbsd

-CFLAGS='-O2 -pipe'
-
 THREAD_SUPPORT=yes
 NEED_REENTRANT_FUNCS=yes	# 1.6 2003-09-14

src/template/nextstep

 AROPT=rc
-CFLAGS=
 SHARED_LIB=
 DLSUFFIX=.o

src/template/openbsd

-CFLAGS='-O2 -pipe'

src/template/osf

-if test "$GCC" = yes ; then
-  CFLAGS=
-else
+if test "$GCC" != yes ; then
   CC="$CC -std"
   CFLAGS='-O4 -Olimit 2000'
 fi

src/template/qnx4

-CFLAGS=-I/usr/local/include
-LIBS=-lunix
+CFLAGS="-O2 -I/usr/local/include"
+LIBS="-lunix"

src/template/sco

-if test "$GCC" = yes; then
-  CFLAGS=-O2
-else
-  CFLAGS=-O
-fi
 CC="$CC -b elf"
 

src/template/solaris

-if test "$GCC" = yes ; then
-  CFLAGS=
-else
+if test "$GCC" != yes ; then
   CC="$CC -Xa"			# relaxed ISO C mode
-  CFLAGS=-v			# -v is like gcc -Wall
+  CFLAGS="-O -v"		# -v is like gcc -Wall
 fi
 
 THREAD_SUPPORT=yes

src/template/sunos4

-CFLAGS=

src/template/svr4

-CFLAGS=

src/template/ultrix4

-CFLAGS=

src/template/univel

 CFLAGS='-v -O -K i486,host,inline,loop_unroll -Dsvr4'
-LIBS=-lc89 
+LIBS="-lc89"

src/template/unixware

 if test "$GCC" = yes; then
-  CFLAGS=-O2
   THREAD_CPPFLAGS="-pthread"
 else
 # the -Kno_host is temporary for a bug in the compiler.  See -hackers

src/template/win

-if test "$GCC" = yes; then
-  CFLAGS="-O2"
-fi

src/template/win32

-if test "$GCC" = yes; then
-  CFLAGS="-O2"
-fi