Remove option for system zlib

Makefile.in

@@ -43,7 +43,6 @@ stamps/build-binutils-mcs: $(BINUTILS_SRCDIR)
 		--disable-libgloss \
 		--disable-test-suite \
 		--enable-checking=release \
-		@with_system_zlib@ \
 		--with-gnu-ld \
 		--with-gnu-as \
 		--disable-werror
@@ -76,7 +75,6 @@ stamps/build-binutils-tc: $(BINUTILS_SRCDIR)
 		--disable-libgloss \
 		--disable-test-suite \
 		--enable-checking=release \
-		@with_system_zlib@ \
 		--with-gnu-ld \
 		--with-gnu-as \
 		--disable-werror
@@ -108,7 +106,6 @@ stamps/build-gcc-stage1: $(GCC_SRCDIR)
 		--with-sysroot=$(INSTALL_DIR)/tricore-elf \
 		--enable-mingw-wildcard \
 		--disable-libstdcxx-pch \
-		@with_system_zlib@ \
 		--enable-newlib-elix-level=3 \
 		--enable-newlib-io-long-long \
 		--disable-newlib-supplied-syscalls \
@@ -168,7 +165,6 @@ stamps/build-gcc-stage2: $(GCC_SRCDIR) stamps/build-newlib
 		--with-gnu-as \
 		--with-newlib=yes \
 		--enable-mingw-wildcard \
-		@with_system_zlib@ \
 		--disable-libstdcxx-pch \
 		--enable-newlib-elix-level=3 \
 		--enable-newlib-io-long-long \

configure

@@ -618,7 +618,6 @@ LIBOBJS
 with_gcc_src
 with_newlib_src
 with_binutils_src
-with_system_zlib
 configure_host
 NEED_GCC_EXTERNAL_LIBRARIES
 BASH
@@ -680,7 +679,6 @@ ac_subst_files=''
 ac_user_opts='
 enable_option_checking
 with_host
-with_system_zlib
 with_binutils_src
 with_newlib_src
 with_gcc_src
@@ -1316,7 +1314,6 @@ Optional Packages:
   --with-host=x86_64-w64-mingw32
                           Sets the host for the tools, you probably want
                           nothing
-  --without-system-zlib   use the builtin copy of zlib from GCC
   --with-binutils-src     Set binutils source path, use builtin source by
                           default
   --with-newlib-src       Set newlib source path, use builtin source by
@@ -3972,26 +3969,6 @@ else $as_nop
 
 fi
 
-if test "x$with_system_zlib" != xno
-then :
-  with_system_zlib=--with-system-zlib
-
-else $as_nop
-  with_system_zlib=--without-system-zlib
-
-fi
-
-
-# Check whether --with-system-zlib was given.
-if test ${with_system_zlib+y}
-then :
-  withval=$with_system_zlib;
-else $as_nop
-  with_system_zlib=yes
-
-fi
-
-
 
 # Check whether --with-binutils-src was given.
 if test ${with_binutils_src+y}

configure.ac

@@ -36,17 +36,6 @@ AS_IF([test "x$with_host" != xdefault],
 	[AC_SUBST(configure_host,--host=$with_host)],
 	[AC_SUBST(configure_host,"")])
 
-AS_IF([test "x$with_system_zlib" != xno],
-	[AC_SUBST(with_system_zlib,--with-system-zlib)],
-	[AC_SUBST(with_system_zlib,--without-system-zlib)])
-
-AC_ARG_WITH(system-zlib,
-	[AS_HELP_STRING([--without-system-zlib],
-		[use the builtin copy of zlib from GCC])],
-	[],
-	[with_system_zlib=yes]
-	)
-
 AC_ARG_WITH(binutils-src,
 	[AS_HELP_STRING([--with-binutils-src],[Set binutils source path, use builtin source by default])],
 	[],