build: remove mucking with CARCHFLAGS

We've never received an update to this, and gcc has sane defaults out of
the box anyway, as do most projects in their build systems. Remove the
magic here and just let downstream distros handle any changes or
additions necessary, as we already do for LDFLAGS.

Signed-off-by: Dan McGee <dan@archlinux.org>

configure.ac

@@ -243,47 +243,37 @@ AC_SUBST(STRIP_SHARED)
 AC_SUBST(STRIP_STATIC)
 
 # Check for architecture, used in default makepkg.conf
-# (Note single space left after CARCHFLAGS)
 case "${host}" in
 	i686-*)
 		CARCH="i686"
-		CARCHFLAGS="-march=i686 "
 		;;
 	x86_64-*)
 		CARCH="x86_64"
-		CARCHFLAGS="-march=x86-64 "
 		;;
 	ia64-*)
 		CARCH="ia64"
-		CARCHFLAGS="-march=ia64 "
 		;;
 	sparc-*)
 		CARCH="sparc"
-		CARCHFLAGS="-mcpu=v9 "
 		;;
 	ppc-* | powerpc-*)
 		CARCH="ppc"
-		CARCHFLAGS="-mcpu=750 "
 		;;
 	i386-*)
 		CARCH="i386"
-		CARCHFLAGS="-march=i386 "
 		;;
 	arm-*)
 		CARCH="arm"
-		CARCHFLAGS="-march=armv4 "
 		;;
 	*)
 		AC_MSG_WARN([[Your architecture is unknown for makepkg.conf, consider adding it to configure.ac]])
 		CARCH="unknown"
-		CARCHFLAGS=""
 		;;
 esac
 
 # Now do some things common to all architectures
 CHOST="${host}"
 AC_SUBST(CARCH)
-AC_SUBST(CARCHFLAGS)
 AC_SUBST(CHOST)
 
 # Check for documentation support and status
@@ -407,7 +397,6 @@ ${PACKAGE_NAME}:
     linker flags           : ${LDFLAGS}
 
     Architecture           : ${CARCH}
-    Architecture flags     : ${CARCHFLAGS}
     Host Type              : ${CHOST}
     Filesize command       : ${SIZECMD}
     In-place sed command   : ${SEDINPLACE}

etc/Makefile.am

@@ -19,7 +19,6 @@ edit = sed \
 	-e 's|@CARCH[@]|$(CARCH)|g' \
 	-e 's|@CHOST[@]|$(CHOST)|g' \
 	-e 's|@ARCHSWITCH[@]|$(ARCHSWITCH)|g' \
-	-e 's|@CARCHFLAGS[@]|$(CARCHFLAGS)|g' \
 	-e 's|@ROOTDIR[@]|$(ROOTDIR)|g'
 
 $(dist_sysconf_DATA): Makefile

etc/makepkg.conf.in

@@ -26,11 +26,9 @@ DLAGENTS=('ftp::/usr/bin/curl -fC - --ftp-pasv --retry 3 --retry-delay 3 -o %o %
 CARCH="@CARCH@"
 CHOST="@CHOST@"
 
-#-- Exclusive: will only run on @CARCH@
-# -march (or -mcpu) builds exclusively for an architecture
-# -mtune optimizes for an architecture, but builds for whole processor family
-CFLAGS="@CARCHFLAGS@-mtune=generic -O2 -pipe"
-CXXFLAGS="@CARCHFLAGS@-mtune=generic -O2 -pipe"
+#-- Compiler and Linker Flags
+#CFLAGS="-O2 -pipe"
+#CXXFLAGS="-O2 -pipe"
 #LDFLAGS=""
 #-- Make Flags: change this for DistCC/SMP systems
 #MAKEFLAGS="-j2"