Fix toolchain crosscompilation with mingw

Author: facchinm

automake-patches/0001-fix-perl-522.patch

@@ -0,0 +1,11 @@
+--- /automake.in	2017-12-18 12:26:59.455263520 +0100
++++ /automake.in	2017-12-18 12:27:21.228596603 +0100
+@@ -4110,7 +4110,7 @@
+ sub substitute_ac_subst_variables ($)
+ {
+   my ($text) = @_;
+-  $text =~ s/\${([^ \t=:+{}]+)}/&substitute_ac_subst_variables_worker ($1)/ge;
++  $text =~ s/\$[{]([^ \t=:+{}]+)}/substitute_ac_subst_variables_worker ($1)/ge;
+   return $text;
+ }
+ 

binutils.build.bash

@@ -23,6 +23,10 @@ then
 	exit 1
 fi
 
+if [[ $CROSS_COMPILE == "mingw" ]] ; then
+	EXTRA_CONFARGS="--host=i686-w64-mingw32"
+fi
+
 cd toolsdir/bin
 TOOLS_BIN_PATH=`pwd`
 cd -
@@ -63,7 +67,7 @@ CONFARGS=" \
 	--with-pic \
 	--target=avr"
 
-CFLAGS="-w -O2 -g0 $CFLAGS" CXXFLAGS="-w -O2 -g0 $CXXFLAGS" LDFLAGS="-s $LDFLAGS" ../binutils/configure $CONFARGS
+CFLAGS="-w -O2 -g0 $CFLAGS" CXXFLAGS="-w -O2 -g0 $CXXFLAGS" LDFLAGS="-s $LDFLAGS" ../binutils/configure $CONFARGS $EXTRA_CONFARGS
 
 if [ -z "$MAKE_JOBS" ]; then
 	MAKE_JOBS="2"

gcc.build.bash

@@ -63,11 +63,11 @@ pushd gcc
 #cat avr-mcus.def | awk -f genmultilib.awk FORMAT="Makefile" > t-multilib 
 #popd
 pushd gcc
-#for p in ../../avr-gcc-patches/*.patch
-#do
-#	echo Applying $p
-#	patch -p1 < $p
-#done
+for p in ../../avr-gcc-patches/*.patch
+do
+	echo Applying $p
+	patch -p1 < $p
+done
 autoconf
 popd
 popd

gdb.build.bash

@@ -27,6 +27,10 @@ cd toolsdir/bin
 TOOLS_BIN_PATH=`pwd`
 cd -
 
+if [[ $CROSS_COMPILE == "mingw" ]] ; then
+	EXTRA_CONFARGS="--host=i686-w64-mingw32"
+fi
+
 export PATH="$TOOLS_BIN_PATH:$PATH"
 
 if [[ ! -f avr-gdb.tar.bz2  ]] ;
@@ -59,7 +63,7 @@ CONFARGS=" \
 	--disable-binutils \
 	--target=avr"
 
-CFLAGS="-w -O2 -g0 $CFLAGS" CXXFLAGS="-w -O2 -g0 $CXXFLAGS" LDFLAGS="-s $LDFLAGS" ../gdb/configure $CONFARGS
+CFLAGS="-w -O2 -g0 $CFLAGS" CXXFLAGS="-w -O2 -g0 $CXXFLAGS" LDFLAGS="-s $LDFLAGS" ../gdb/configure $CONFARGS $EXTRA_CONFARGS
 
 if [ -z "$MAKE_JOBS" ]; then
 	MAKE_JOBS="2"

tools.bash

@@ -58,6 +58,8 @@ tar xfjv automake-${AUTOMAKE_VERSION}.tar.bz2
 
 cd automake-${AUTOMAKE_VERSION}
 
+patch -p1 < ../automake-patches/0001-fix-perl-522.patch
+
 ./bootstrap
 
 CONFARGS="--prefix=$TOOLS_PATH"