Use system zlib for all platforms

Author: sharkwouter

prepare-debian-ubuntu.sh

@@ -2,4 +2,4 @@
 
 # Install build dependencies
 sudo apt-get install $@ \
-  file bison make flex texinfo gettext g++ gcc git libgmp3-dev libmpfr-dev libmpc-dev libncurses5-dev
+  file bison make flex texinfo gettext g++ gcc git libgmp3-dev libmpfr-dev libmpc-dev libncurses5-dev zlib1g-dev

prepare-fedora.sh

@@ -3,4 +3,4 @@
 # Install build dependencies
 sudo dnf install $@ \
   gcc gcc-c++ make git gettext texinfo bison flex gmp-devel mpfr-devel libmpc-devel \
-  ncurses-devel diffutils gawk file
+  ncurses-devel diffutils gawk file zlib-ng-devel

prepare-mac-os.sh

@@ -48,7 +48,7 @@ fi
 # actual installation
 if [ $try_brew -eq 1 ]; then
 	CURRENT_USER=$(stat -f '%Su' /dev/console)
-	sudo -u $CURRENT_USER brew install gettext texinfo bison flex gnu-sed gsl gmp mpfr
+	sudo -u $CURRENT_USER brew install gettext texinfo bison flex gnu-sed gsl gmp mpfr zlib
 	exit
 fi
 if [ $try_port -eq 1 ]; then

scripts/001-binutils.sh

@@ -68,6 +68,7 @@ WITH_PYTHON="${WITH_PYTHON:-no}"
   --disable-initfini-array \
   --with-python="$WITH_PYTHON" \
   --disable-werror \
+  --with-system-zlib \
   $TARG_XTRA_OPTS
 
 ## Compile and install.

scripts/002-gcc-stage1.sh

@@ -72,6 +72,7 @@ cd build-$TARGET-stage1
   --disable-libmudflap \
   --disable-libquadmath \
   --disable-nls \
+  --with-system-zlib \
   $TARG_XTRA_OPTS
 
 ## Compile and install.

scripts/005-gcc-stage2.sh

@@ -70,6 +70,7 @@ cd build-$TARGET-stage2
   --enable-threads=posix \
   --disable-tls \
   --disable-nls \
+  --with-system-zlib \
   $TARG_XTRA_OPTS
 
 ## Compile and install.