Remove -fPIC which was only needed for Git.xs

The distinction between BASIC_ vs ALL_ is still kept, since it
is not Git.xs specific -- we could face the same issue when we
do other language bindings (e.g. Python).

Signed-off-by: Junio C Hamano <junkio@cox.net>

INSTALL

@@ -48,7 +48,7 @@ Issues of note:
 
 	GIT_EXEC_PATH=`pwd`
 	PATH=`pwd`:$PATH
-	GITPERLLIB=`pwd`/perl/blib/lib:`pwd`/perl/blib/arch/auto/Git
+	GITPERLLIB=`pwd`/perl/blib/lib
 	export GIT_EXEC_PATH PATH GITPERLLIB
 
  - Git is reasonably self-sufficient, but does depend on a few external

Makefile

@@ -60,9 +60,6 @@ all:
 # on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
 # choice) has very fast version optimized for i586.
 #
-# Define USE_PIC if you need the main git objects to be built with -fPIC
-# in order to build and link perl/Git.so.  x86-64 seems to need this.
-#
 # Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
 #
 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
@@ -112,7 +109,6 @@ uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
 # CFLAGS and LDFLAGS are for the users to override from the command line.
 
 CFLAGS = -g -O2 -Wall
-PIC_FLAG = -fPIC
 LDFLAGS =
 ALL_CFLAGS = $(CFLAGS)
 ALL_LDFLAGS = $(LDFLAGS)
@@ -402,12 +398,6 @@ endif
 ifneq (,$(findstring arm,$(uname_M)))
 	ARM_SHA1 = YesPlease
 endif
-ifeq ($(uname_M),sun4u)
-	USE_PIC = YesPlease
-endif
-ifeq ($(uname_M),x86_64)
-	USE_PIC = YesPlease
-endif
 
 -include config.mak.autogen
 -include config.mak
@@ -546,9 +536,6 @@ else
 endif
 endif
 endif
-ifdef USE_PIC
-	ALL_CFLAGS += $(PIC_FLAG)
-endif
 ifdef NO_ACCURATE_DIFF
 	BASIC_CFLAGS += -DNO_ACCURATE_DIFF
 endif

config.mak.in

@@ -3,7 +3,6 @@
 
 CC = @CC@
 CFLAGS = @CFLAGS@
-PIC_FLAG = @PIC_FLAG@
 AR = @AR@
 TAR = @TAR@
 #INSTALL = @INSTALL@		# needs install-sh or install.sh in sources

configure.ac

@@ -96,13 +96,6 @@ AC_SUBST(PYTHON_PATH)
 AC_MSG_NOTICE([CHECKS for programs])
 #
 AC_PROG_CC([cc gcc])
-if test -n "$GCC"; then
-	PIC_FLAG="-fPIC"
-else
-	AC_CHECK_DECL(__SUNPRO_C, [CFLAGS="$CFLAGS -xO3"; PIC_FLAG="-KPIC"])
-fi
-AC_SUBST(PIC_FLAG)
-
 #AC_PROG_INSTALL		# needs install-sh or install.sh in sources
 AC_CHECK_TOOL(AR, ar, :)
 AC_CHECK_PROGS(TAR, [gtar tar])