diff --git a/gsm/mingw-w64/PKGBUILD b/gsm/mingw-w64/PKGBUILD
new file mode 100644
index 00000000..0b01024d
--- /dev/null
+++ b/gsm/mingw-w64/PKGBUILD
@@ -0,0 +1,69 @@
+# Maintainer: Karl-Felix Glatzer <karl.glatzer@gmx.de>
+_name=gsm
+pkgname=mingw-w64-gsm
+pkgver=1.0.14
+pkgrel=1
+pkgdesc="Shared libraries for GSM 06.10 lossy speech compression (mingw-w64)"
+arch=('any')
+url="http://www.quut.com/gsm/"
+license=('custom')
+options=(!strip !buildflags staticlibs)
+depends=('mingw-w64-crt')
+makedepends=('mingw-w64-gcc')
+source=("http://www.quut.com/${_name}/${_name}-${pkgver}.tar.gz"
+        'gsm.patch'
+        'makefile.patch'
+        'win32.patch')
+md5sums=('4cbb4e7b73842de3d12d30b0d74200d4'
+         '30f46c92d0a5e5654258e707a9e8b5a6'
+         '1f17f4c181769a091891092e1fdc1e3c'
+         'bb2919748d4ed7eb3174af976126f501')
+_architectures="i686-w64-mingw32 x86_64-w64-mingw32"
+
+prepare() {
+  cd "${srcdir}/gsm-${pkgver%.*}-pl${pkgver##*.}/"
+
+  patch -Np0 -i "${srcdir}/${_name}.patch"
+  patch -Np1 -i "${srcdir}/makefile.patch"
+  patch -Np1 -i "${srcdir}/win32.patch"
+}
+
+build() {
+  for _arch in ${_architectures}; do
+    cp -r ${srcdir}/gsm-${pkgver%.*}-pl${pkgver##*.} ${srcdir}/build-${_arch} && cd ${srcdir}/build-${_arch}
+
+    unset LDFLAGS CPPFLAGS
+    make -f Makefile.mingw64 \
+      CC=${_arch}-gcc \
+      AR=${_arch}-ar \
+      RANLIB=${_arch}-ranlib
+  done
+}
+
+package() {
+  for _arch in ${_architectures}; do
+    cd ${srcdir}/build-${_arch}
+
+    # Prepare directories
+    install -m755 -d ${pkgdir}/usr/${_arch}/{bin,lib,include/gsm,share/{licenses/gsm,man/man{1,3}}}
+
+    unset LDFLAGS CPPFLAGS
+    make -f Makefile.mingw64 \
+      CC="${_arch}-gcc" \
+      AR=${_arch}-ar \
+      RANLIB=${_arch}-ranlib \
+      INSTALL_ROOT=${pkgdir}/usr/${_arch} \
+      GSM_INSTALL_INC=${pkgdir}/usr/${_arch}/include/gsm \
+      GSM_INSTALL_MAN=${pkgdir}/usr/${_arch}/share/man/man3 \
+      TOAST_INSTALL_MAN=${pkgdir}/usr/${_arch}/share/man/man1 \
+      install
+
+    # Install license
+    install -m644 COPYRIGHT ${pkgdir}/usr/${_arch}/share/licenses/gsm/license.txt
+
+    ${_arch}-strip -x -g "${pkgdir}/usr/${_arch}/bin/"*.dll
+    ${_arch}-strip -g "${pkgdir}/usr/${_arch}/lib/"*.a
+    rm ${pkgdir}/usr/${_arch}/bin/*.exe
+    rm -r ${pkgdir}/usr/${_arch}/share/man
+  done
+}
diff --git a/gsm/mingw-w64/gsm.patch b/gsm/mingw-w64/gsm.patch
new file mode 100644
index 00000000..821f3a59
--- /dev/null
+++ b/gsm/mingw-w64/gsm.patch
@@ -0,0 +1,198 @@
+--- Makefile	2006-04-26 15:14:26.000000000 -0400
++++ Makefile	2010-06-19 16:53:25.000000000 -0400
+@@ -44,7 +44,7 @@
+ # CCFLAGS 	= -c -O
+ 
+ CC		= gcc -ansi -pedantic
+-CCFLAGS 	= -c -O2 -DNeedFunctionPrototypes=1
++CCFLAGS 	= -c -O2 -fPIC -DNeedFunctionPrototypes=1
+ 
+ LD 		= $(CC)
+ 
+@@ -96,11 +96,11 @@
+ #  Other tools
+ 
+ SHELL		= /bin/sh
+-LN		= ln
++LN		= ln -s -f
+ BASENAME 	= basename
+ AR		= ar
+ ARFLAGS		= cr
+-RMFLAGS		=
++RMFLAGS		= -f
+ FIND		= find
+ COMPRESS 	= compress
+ COMPRESSFLAGS 	= 
+@@ -139,7 +139,7 @@
+ 
+ # Targets
+ 
+-LIBGSM	= $(LIB)/libgsm.a
++LIBGSMSO = $(LIB)/libgsm.so
+ 
+ TOAST	= $(BIN)/toast
+ UNTOAST	= $(BIN)/untoast
+@@ -257,7 +257,7 @@
+ # Install targets
+ 
+ GSM_INSTALL_TARGETS =	\
+-		$(GSM_INSTALL_LIB)/libgsm.a		\
++		$(GSM_INSTALL_LIB)/libgsm.so		\
+ 		$(GSM_INSTALL_INC)/gsm.h		\
+ 		$(GSM_INSTALL_MAN)/gsm.3		\
+ 		$(GSM_INSTALL_MAN)/gsm_explode.3	\
+@@ -279,7 +279,7 @@
+ 
+ # Target rules
+ 
+-all:		$(LIBGSM) $(TOAST) $(TCAT) $(UNTOAST)
++all:		$(LIBGSMSO) $(TOAST) $(TCAT) $(UNTOAST)
+ 		@-echo $(ROOT): Done.
+ 
+ tst:		$(TST)/lin2cod $(TST)/cod2lin $(TOAST) $(TST)/test-result
+@@ -299,24 +299,23 @@
+ 
+ # The basic API: libgsm
+ 
+-$(LIBGSM):	$(LIB) $(GSM_OBJECTS)
+-		-rm $(RMFLAGS) $(LIBGSM)
+-		$(AR) $(ARFLAGS) $(LIBGSM) $(GSM_OBJECTS)
+-		$(RANLIB) $(LIBGSM)
+-
++$(LIBGSMSO): $(LIB) $(GSM_OBJECTS)
++	$(LD) -shared -Wl,-soname,libgsm.so.1 -o $@.1.0.13 $(GSM_OBJECTS)
++	$(LN) libgsm.so.1.0.13 $(LIBGSMSO).1
++	$(LN) libgsm.so.1.0.13 $(LIBGSMSO)
+ 
+ # Toast, Untoast and Tcat -- the compress-like frontends to gsm.
+ 
+-$(TOAST):	$(BIN) $(TOAST_OBJECTS) $(LIBGSM)
+-		$(LD) $(LFLAGS) -o $(TOAST) $(TOAST_OBJECTS) $(LIBGSM) $(LDLIB)
++$(TOAST):	$(BIN) $(TOAST_OBJECTS) $(LIBGSMSO)
++		$(LD) $(LFLAGS) -o $(TOAST) $(TOAST_OBJECTS) $(LIBGSMSO) $(LDLIB)
+ 
+ $(UNTOAST):	$(BIN) $(TOAST)
+ 		-rm $(RMFLAGS) $(UNTOAST)
+-		$(LN) $(TOAST) $(UNTOAST)
++		$(LN) toast $(UNTOAST)
+ 
+ $(TCAT):	$(BIN) $(TOAST)
+ 		-rm $(RMFLAGS) $(TCAT)
+-		$(LN) $(TOAST) $(TCAT)
++		$(LN) toast $(TCAT)
+ 
+ 
+ # The local bin and lib directories
+@@ -351,53 +350,54 @@
+ 		fi
+ 
+ $(TOAST_INSTALL_BIN)/toast:	$(TOAST)
+-		-rm $@
++		-rm $(RMFLAGS) $@
+ 		cp $(TOAST) $@
+ 		chmod 755 $@
+ 
+ $(TOAST_INSTALL_BIN)/untoast:	$(TOAST_INSTALL_BIN)/toast
+-		-rm $@
+-		ln $? $@
++		-rm $(RMFLAGS) $@
++		$(LN) toast $@
+ 
+ $(TOAST_INSTALL_BIN)/tcat:	$(TOAST_INSTALL_BIN)/toast
+-		-rm $@
+-		ln $? $@
++		-rm $(RMFLAGS) $@
++		$(LN) toast $@
+ 
+ $(TOAST_INSTALL_MAN)/toast.1:	$(MAN)/toast.1
+-		-rm $@
++		-rm $(RMFLAGS) $@
+ 		cp $? $@
+ 		chmod 444 $@
+ 
+ $(GSM_INSTALL_MAN)/gsm.3:	$(MAN)/gsm.3
+-		-rm $@
++		-rm $(RMFLAGS) $@
+ 		cp $? $@
+ 		chmod 444 $@
+ 
+ $(GSM_INSTALL_MAN)/gsm_option.3:	$(MAN)/gsm_option.3
+-		-rm $@
++		-rm $(RMFLAGS) $@
+ 		cp $? $@
+ 		chmod 444 $@
+ 
+ $(GSM_INSTALL_MAN)/gsm_explode.3:	$(MAN)/gsm_explode.3
+-		-rm $@
++		-rm $(RMFLAGS) $@
+ 		cp $? $@
+ 		chmod 444 $@
+ 
+ $(GSM_INSTALL_MAN)/gsm_print.3:	$(MAN)/gsm_print.3
+-		-rm $@
++		-rm $(RMFLAGS) $@
+ 		cp $? $@
+ 		chmod 444 $@
+ 
+ $(GSM_INSTALL_INC)/gsm.h:	$(INC)/gsm.h
+-		-rm $@
+-		cp $? $@
+-		chmod 444 $@
+-
+-$(GSM_INSTALL_LIB)/libgsm.a:	$(LIBGSM)
+-		-rm $@
++		-rm $(RMFLAGS) $@
+ 		cp $? $@
+ 		chmod 444 $@
+ 
++$(GSM_INSTALL_LIB)/libgsm.so:	$(LIBGSMSO)
++		-rm $(RMFLAGS) $@ $@.1 $@.1.0.13
++		cp $?.1.0.13 $@.1.0.13
++		chmod 755 $@.1.0.13
++		$(LN) libgsm.so.1.0.13 $@
++		$(LN) libgsm.so.1.0.13 $@.1
+ 
+ # Distribution
+ 
+@@ -425,7 +425,7 @@
+ 			-print | xargs rm $(RMFLAGS)
+ 
+ clean:	semi-clean
+-		-rm $(RMFLAGS) $(LIBGSM) $(ADDTST)/add		\
++		-rm $(RMFLAGS) $(LIBGSMSO)* $(ADDTST)/add		\
+ 			$(TOAST) $(TCAT) $(UNTOAST)	\
+ 			$(ROOT)/gsm-1.0.tar.Z
+ 
+@@ -473,22 +473,22 @@
+ $(TST)/test-result:	$(TST)/lin2cod $(TST)/cod2lin $(TOAST) $(TST)/run
+ 			( cd $(TST); ./run ) 
+ 
+-$(TST)/lin2txt:		$(TST)/lin2txt.o $(LIBGSM)
++$(TST)/lin2txt:		$(TST)/lin2txt.o $(LIBGSMSO)
+ 			$(LD) $(LFLAGS) -o $(TST)/lin2txt \
+-				$(TST)/lin2txt.o $(LIBGSM) $(LDLIB)
++				$(TST)/lin2txt.o $(LIBGSMSO) $(LDLIB)
+ 
+-$(TST)/lin2cod:		$(TST)/lin2cod.o $(LIBGSM)
++$(TST)/lin2cod:		$(TST)/lin2cod.o $(LIBGSMSO)
+ 			$(LD) $(LFLAGS) -o $(TST)/lin2cod \
+-				$(TST)/lin2cod.o $(LIBGSM) $(LDLIB)
++				$(TST)/lin2cod.o $(LIBGSMSO) $(LDLIB)
+ 
+-$(TST)/gsm2cod:		$(TST)/gsm2cod.o $(LIBGSM)
++$(TST)/gsm2cod:		$(TST)/gsm2cod.o $(LIBGSMSO)
+ 			$(LD) $(LFLAGS) -o $(TST)/gsm2cod \
+-				$(TST)/gsm2cod.o $(LIBGSM) $(LDLIB)
++				$(TST)/gsm2cod.o $(LIBGSMSO) $(LDLIB)
+ 
+-$(TST)/cod2txt:		$(TST)/cod2txt.o $(LIBGSM)
++$(TST)/cod2txt:		$(TST)/cod2txt.o $(LIBGSMSO)
+ 			$(LD) $(LFLAGS) -o $(TST)/cod2txt \
+-				$(TST)/cod2txt.o $(LIBGSM) $(LDLIB)
++				$(TST)/cod2txt.o $(LIBGSMSO) $(LDLIB)
+ 
+-$(TST)/cod2lin:		$(TST)/cod2lin.o $(LIBGSM)
++$(TST)/cod2lin:		$(TST)/cod2lin.o $(LIBGSMSO)
+ 			$(LD) $(LFLAGS) -o $(TST)/cod2lin \
+-				$(TST)/cod2lin.o $(LIBGSM) $(LDLIB)
++				$(TST)/cod2lin.o $(LIBGSMSO) $(LDLIB)
diff --git a/gsm/mingw-w64/makefile.patch b/gsm/mingw-w64/makefile.patch
new file mode 100644
index 00000000..8b3c9467
--- /dev/null
+++ b/gsm/mingw-w64/makefile.patch
@@ -0,0 +1,519 @@
+--- gsm-1.0-pl13/Makefile.mingw64	1970-01-01 01:00:00.000000000 +0100
++++ patched/Makefile.mingw64	2013-06-14 18:09:26.811006596 +0200
+@@ -0,0 +1,516 @@
++# Copyright 1992-1996 by Jutta Degener and Carsten Bormann, Technische
++# Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
++# details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
++
++# Machine- or installation dependent flags you should configure to port
++
++SASR	= -DSASR
++######### Define SASR if >> is a signed arithmetic shift (-1 >> 1 == -1)
++
++# MULHACK = -DUSE_FLOAT_MUL
++######### Define this if your host multiplies floats faster than integers,
++######### e.g. on a SPARCstation.
++
++# FAST	= -DFAST
++######### Define together with USE_FLOAT_MUL to enable the GSM library's
++######### approximation option for incorrect, but good-enough results.
++
++# LTP_CUT	= -DLTP_CUT
++LTP_CUT	=
++######### Define to enable the GSM library's long-term correlation 
++######### approximation option---faster, but worse; works for
++######### both integer and floating point multiplications.
++######### This flag is still in the experimental stage.
++
++WAV49	= -DWAV49
++# WAV49	=
++######### Define to enable the GSM library's option to pack GSM frames 
++######### in the style used by the WAV #49 format.  If you want to write
++######### a tool that produces .WAV files which contain GSM-encoded data,
++######### define this, and read about the GSM_OPT_WAV49 option in the
++######### manual page on gsm_option(3).
++
++# Choose a compiler.  The code works both with ANSI and K&R-C.
++# Use -DNeedFunctionPrototypes to compile with, -UNeedFunctionPrototypes to
++# compile without, function prototypes in the header files.
++#
++# You can use the -DSTUPID_COMPILER to circumvent some compilers'
++# static limits regarding the number of subexpressions in a statement.
++
++# CC		= cc
++# CCFLAGS 	= -c -DSTUPID_COMPILER
++
++# CC		= /usr/lang/acc
++# CCFLAGS 	= -c -O
++
++CC?		= gcc
++CCFLAGS 	= -ansi -pedantic -c -O2 -DNeedFunctionPrototypes=1
++
++LD 		= $(CC)
++
++# LD		= gcc
++# LDFLAGS 	=
++
++
++# If your compiler needs additional flags/libraries, regardless of
++# the source compiled, configure them here.
++
++# CCINC	= -I/usr/gnu/lib/gcc-2.1/gcc-lib/sparc-sun-sunos4.1.2/2.1/include
++######### Includes needed by $(CC)
++
++# LDINC	= -L/usr/gnu/lib/gcc-2.1/gcc-lib/sparc-sun-sunos4.1.2/2.1
++######### Library paths needed by $(LD)
++
++# LDLIB	= -lgcc
++######### Additional libraries needed by $(LD)
++
++
++# Where do you want to install libraries, binaries, a header file
++# and the manual pages?
++#
++# Leave INSTALL_ROOT empty (or just don't execute "make install") to
++# not install gsm and toast outside of this directory.
++
++INSTALL_ROOT	=
++
++# Where do you want to install the gsm library, header file, and manpages?
++#
++# Leave GSM_INSTALL_ROOT empty to not install the GSM library outside of
++# this directory.
++
++GSM_INSTALL_ROOT = $(INSTALL_ROOT)
++GSM_INSTALL_BIN = $(GSM_INSTALL_ROOT)/bin
++GSM_INSTALL_LIB = $(GSM_INSTALL_ROOT)/lib
++GSM_INSTALL_INC = $(GSM_INSTALL_ROOT)/inc
++GSM_INSTALL_MAN = $(GSM_INSTALL_ROOT)/man/man3
++
++
++# Where do you want to install the toast binaries and their manpage?
++#
++# Leave TOAST_INSTALL_ROOT empty to not install the toast binaries outside
++# of this directory.
++
++TOAST_INSTALL_ROOT	  = $(INSTALL_ROOT)
++TOAST_INSTALL_BIN = $(TOAST_INSTALL_ROOT)/bin
++TOAST_INSTALL_MAN = $(TOAST_INSTALL_ROOT)/man/man1
++
++#  Other tools
++
++SHELL		= /bin/sh
++LN		= ln -s -f
++BASENAME 	= basename
++AR?		= ar
++ARFLAGS		= cr
++RMFLAGS		= -f
++FIND		= find
++COMPRESS 	= compress
++COMPRESSFLAGS 	= 
++# RANLIB 	= true
++RANLIB?	 	= ranlib
++
++#
++#    You shouldn't have to configure below this line if you're porting.
++# 
++
++
++# Local Directories
++
++ROOT	= .
++ADDTST	= $(ROOT)/add-test
++TST	= $(ROOT)/tst
++MAN	= $(ROOT)/man
++BIN	= $(ROOT)/bin
++SRC	= $(ROOT)/src
++LIB	= $(ROOT)/lib
++TLS	= $(ROOT)/tls
++INC	= $(ROOT)/inc
++
++# Flags
++
++# DEBUG	= -DNDEBUG
++######### Remove -DNDEBUG to enable assertions.
++
++CFLAGS	= $(CCFLAGS) $(SASR) $(DEBUG) $(MULHACK) $(FAST) $(LTP_CUT) \
++	$(WAV49) $(CCINC) -I$(INC)
++######### It's $(CC) $(CFLAGS)
++
++LFLAGS	= $(LDFLAGS) $(LDINC)
++######### It's $(LD) $(LFLAGS)
++
++
++# Targets
++
++LIBGSM	= $(LIB)/libgsm.a
++LIBGSMIMPLIB = $(LIB)/libgsm.dll.a
++LIBGSMDLL = $(BIN)/libgsm.dll
++
++TOAST	= $(BIN)/toast.exe
++UNTOAST	= $(BIN)/untoast.exe
++TCAT	= $(BIN)/tcat.exe
++
++# Headers
++
++GSM_HEADERS =	$(INC)/gsm.h
++
++HEADERS	=	$(INC)/proto.h		\
++		$(INC)/unproto.h	\
++		$(INC)/config.h		\
++		$(INC)/private.h	\
++		$(INC)/gsm.h		\
++		$(INC)/toast.h		\
++		$(TLS)/taste.h
++
++# Sources
++
++GSM_SOURCES =	$(SRC)/add.c		\
++		$(SRC)/code.c		\
++		$(SRC)/debug.c		\
++		$(SRC)/decode.c		\
++		$(SRC)/long_term.c	\
++		$(SRC)/lpc.c		\
++		$(SRC)/preprocess.c	\
++		$(SRC)/rpe.c		\
++		$(SRC)/gsm_destroy.c	\
++		$(SRC)/gsm_decode.c	\
++		$(SRC)/gsm_encode.c	\
++		$(SRC)/gsm_explode.c	\
++		$(SRC)/gsm_implode.c	\
++		$(SRC)/gsm_create.c	\
++		$(SRC)/gsm_print.c	\
++		$(SRC)/gsm_option.c	\
++		$(SRC)/short_term.c	\
++		$(SRC)/table.c
++
++TOAST_SOURCES = $(SRC)/toast.c 		\
++		$(SRC)/toast_lin.c	\
++		$(SRC)/toast_ulaw.c	\
++		$(SRC)/toast_alaw.c	\
++		$(SRC)/toast_audio.c
++
++SOURCES	=	$(GSM_SOURCES)		\
++		$(TOAST_SOURCES)	\
++		$(ADDTST)/add_test.c	\
++		$(TLS)/sour.c		\
++		$(TLS)/ginger.c		\
++		$(TLS)/sour1.dta	\
++		$(TLS)/sour2.dta	\
++		$(TLS)/bitter.c		\
++		$(TLS)/bitter.dta	\
++		$(TLS)/taste.c		\
++		$(TLS)/sweet.c		\
++		$(TST)/cod2lin.c	\
++		$(TST)/cod2txt.c	\
++		$(TST)/gsm2cod.c	\
++		$(TST)/lin2cod.c	\
++		$(TST)/lin2txt.c
++
++# Object files
++
++GSM_OBJECTS =	$(SRC)/add.o		\
++		$(SRC)/code.o		\
++		$(SRC)/debug.o		\
++		$(SRC)/decode.o		\
++		$(SRC)/long_term.o	\
++		$(SRC)/lpc.o		\
++		$(SRC)/preprocess.o	\
++		$(SRC)/rpe.o		\
++		$(SRC)/gsm_destroy.o	\
++		$(SRC)/gsm_decode.o	\
++		$(SRC)/gsm_encode.o	\
++		$(SRC)/gsm_explode.o	\
++		$(SRC)/gsm_implode.o	\
++		$(SRC)/gsm_create.o	\
++		$(SRC)/gsm_print.o	\
++		$(SRC)/gsm_option.o	\
++		$(SRC)/short_term.o	\
++		$(SRC)/table.o
++
++TOAST_OBJECTS =	$(SRC)/toast.o 		\
++		$(SRC)/toast_lin.o	\
++		$(SRC)/toast_ulaw.o	\
++		$(SRC)/toast_alaw.o	\
++		$(SRC)/toast_audio.o
++
++OBJECTS =	 $(GSM_OBJECTS) $(TOAST_OBJECTS)
++
++# Manuals
++
++GSM_MANUALS =	$(MAN)/gsm.3		\
++		$(MAN)/gsm_explode.3	\
++		$(MAN)/gsm_option.3	\
++		$(MAN)/gsm_print.3
++
++TOAST_MANUALS =	$(MAN)/toast.1
++
++MANUALS	= 	$(GSM_MANUALS) $(TOAST_MANUALS) $(MAN)/bitter.1
++
++# Other stuff in the distribution
++
++STUFF = 	ChangeLog			\
++		INSTALL			\
++		MACHINES		\
++		MANIFEST		\
++		Makefile		\
++		README			\
++		$(ADDTST)/add_test.dta	\
++		$(TLS)/bitter.dta	\
++		$(TST)/run
++
++
++# Install targets
++
++GSM_INSTALL_TARGETS =	\
++		$(GSM_INSTALL_LIB)/libgsm.a		\
++		$(GSM_INSTALL_LIB)/libgsm.dll.a \
++		$(GSM_INSTALL_BIN)/libgsm.dll \
++		$(GSM_INSTALL_INC)/gsm.h		\
++		$(GSM_INSTALL_MAN)/gsm.3		\
++		$(GSM_INSTALL_MAN)/gsm_explode.3	\
++		$(GSM_INSTALL_MAN)/gsm_option.3		\
++		$(GSM_INSTALL_MAN)/gsm_print.3
++
++TOAST_INSTALL_TARGETS =	\
++		$(TOAST_INSTALL_BIN)/toast.exe		\
++		$(TOAST_INSTALL_BIN)/tcat.exe		\
++		$(TOAST_INSTALL_BIN)/untoast.exe		\
++		$(TOAST_INSTALL_MAN)/toast.1
++
++
++# Default rules
++
++.c.o:
++		$(CC) $(CFLAGS) $?
++		@-mv `$(BASENAME) $@` $@ > /dev/null 2>&1
++
++# Target rules
++
++all:		$(LIBGSM) $(LIBGSMDLL) $(TOAST) $(TCAT) $(UNTOAST)
++		@-echo $(ROOT): Done.
++
++tst:		$(TST)/lin2cod $(TST)/cod2lin $(TOAST) $(TST)/test-result
++		@-echo tst: Done.
++
++addtst:		$(ADDTST)/add $(ADDTST)/add_test.dta
++		$(ADDTST)/add < $(ADDTST)/add_test.dta > /dev/null
++		@-echo addtst: Done.
++
++misc:		$(TLS)/sweet $(TLS)/bitter $(TLS)/sour $(TLS)/ginger 	\
++			$(TST)/lin2txt $(TST)/cod2txt $(TST)/gsm2cod
++		@-echo misc: Done.
++
++install:	toastinstall gsminstall
++		@-echo install: Done.
++
++
++# The basic API: libgsm
++
++$(LIBGSM):	$(LIB) $(GSM_OBJECTS)
++		-rm $(RMFLAGS) $(LIBGSM)
++		$(AR) $(ARFLAGS) $(LIBGSM) $(GSM_OBJECTS)
++		$(RANLIB) $(LIBGSM)
++
++$(LIBGSMDLL):	$(LIB) $(GSM_OBJECTS)
++	$(LD) -shared -Wl,-soname,libgsm.dll.1 -Wl,-out-implib,$(LIBGSMIMPLIB) -o $@.1.0.13 $(GSM_OBJECTS)
++	$(LN) libgsm.dll.1.0.13 $(LIBGSMDLL).1
++	$(LN) libgsm.dll.1.0.13 $(LIBGSMDLL)
++
++
++# Toast, Untoast and Tcat -- the compress-like frontends to gsm.
++
++$(TOAST):	$(BIN) $(TOAST_OBJECTS) $(LIBGSM) $(LIBGSMDLL)
++		$(LD) $(LFLAGS) -o $(TOAST) $(TOAST_OBJECTS) $(LIBGSM) $(LDLIB)
++
++$(UNTOAST):	$(BIN) $(TOAST)
++		-rm $(RMFLAGS) $(UNTOAST)
++		$(LN) toast.exe $(UNTOAST)
++
++$(TCAT):	$(BIN) $(TOAST)
++		-rm $(RMFLAGS) $(TCAT)
++		$(LN) toast.exe $(TCAT)
++
++
++# The local bin and lib directories
++
++$(BIN):
++		if [ ! -d $(BIN) ] ; then mkdir $(BIN) ; fi
++
++$(LIB):
++		if [ ! -d $(LIB) ] ; then mkdir $(LIB) ; fi
++
++
++# Installation
++
++gsminstall:
++		-if [ x"$(GSM_INSTALL_ROOT)" != x ] ; then	\
++			make -f Makefile.mingw64 $(GSM_INSTALL_TARGETS) ;	\
++		fi
++
++toastinstall:
++		-if [ x"$(TOAST_INSTALL_ROOT)" != x ]; then	\
++			make -f Makefile.mingw64 $(TOAST_INSTALL_TARGETS);	\
++		fi
++
++gsmuninstall:
++		-if [ x"$(GSM_INSTALL_ROOT)" != x ] ; then	\
++			rm $(RMFLAGS) $(GSM_INSTALL_TARGETS) ;	\
++		fi
++
++toastuninstall:
++		-if [ x"$(TOAST_INSTALL_ROOT)" != x ] ; then 	\
++			rm $(RMFLAGS) $(TOAST_INSTALL_TARGETS);	\
++		fi
++
++$(TOAST_INSTALL_BIN)/toast.exe:	$(TOAST)
++		-rm $(RMFLAGS) $@
++		cp $(TOAST) $@
++		chmod 755 $@
++
++$(TOAST_INSTALL_BIN)/untoast.exe:	$(TOAST_INSTALL_BIN)/toast.exe
++		-rm $(RMFLAGS) $@
++		ln $(TOAST) $@
++
++$(TOAST_INSTALL_BIN)/tcat.exe:	$(TOAST_INSTALL_BIN)/toast.exe
++		-rm $(RMFLAGS) $@
++		ln $(TOAST) $@
++
++$(TOAST_INSTALL_MAN)/toast.1:	$(MAN)/toast.1
++		-rm $(RMFLAGS) $@
++		cp $? $@
++		chmod 444 $@
++
++$(GSM_INSTALL_MAN)/gsm.3:	$(MAN)/gsm.3
++		-rm $(RMFLAGS) $@
++		cp $? $@
++		chmod 444 $@
++
++$(GSM_INSTALL_MAN)/gsm_option.3:	$(MAN)/gsm_option.3
++		-rm $(RMFLAGS) $@
++		cp $? $@
++		chmod 444 $@
++
++$(GSM_INSTALL_MAN)/gsm_explode.3:	$(MAN)/gsm_explode.3
++		-rm $(RMFLAGS) $@
++		cp $? $@
++		chmod 444 $@
++
++$(GSM_INSTALL_MAN)/gsm_print.3:	$(MAN)/gsm_print.3
++		-rm $(RMFLAGS) $@
++		cp $? $@
++		chmod 444 $@
++
++$(GSM_INSTALL_INC)/gsm.h:	$(INC)/gsm.h
++		-rm $(RMFLAGS) $@
++		cp $? $@
++		chmod 444 $@
++
++$(GSM_INSTALL_LIB)/libgsm.a:	$(LIBGSM)
++		-rm $(RMFLAGS) $@
++		cp $? $@
++		chmod 444 $@
++
++$(GSM_INSTALL_BIN)/libgsm.dll:	$(LIBGSMDLL)
++		-rm $(RMFLAGS) $@ $@.1 $@.1.0.13
++		cp $?.1.0.13 $@.1.0.13
++		chmod 755 $@.1.0.13
++		$(LN) libgsm.dll.1.0.13 $@
++		$(LN) libgsm.dll.1.0.13 $@.1
++
++$(GSM_INSTALL_LIB)/libgsm.dll.a:	$(LIBGSMIMPLIB)
++		-rm $(RMFLAGS) $@
++		cp $? $@
++		chmod 755 $@
++
++
++# Distribution
++
++dist:		gsm-1.0.tar.Z
++		@echo dist: Done.
++
++gsm-1.0.tar.Z:	$(STUFF) $(SOURCES) $(HEADERS) $(MANUALS)
++		(	cd $(ROOT)/..;				\
++			tar cvf - `cat $(ROOT)/gsm-1.0/MANIFEST	\
++				| sed '/^#/d'`			\
++		) | $(COMPRESS) $(COMPRESSFLAGS) > $(ROOT)/gsm-1.0.tar.Z
++
++# Clean
++
++uninstall:	toastuninstall gsmuninstall
++		@-echo uninstall: Done.
++
++semi-clean:
++		-rm $(RMFLAGS)  */*.o			\
++			$(TST)/lin2cod $(TST)/lin2txt	\
++			$(TST)/cod2lin $(TST)/cod2txt	\
++			$(TST)/gsm2cod 			\
++			$(TST)/*.*.*
++		-$(FIND) . \( -name core -o -name foo \) \
++			-print | xargs rm $(RMFLAGS)
++
++clean:	semi-clean
++		-rm $(RMFLAGS) $(LIBGSM) $(LIBGSMDLL)* $(LIBGSMIMPLIB) $(ADDTST)/add		\
++			$(TOAST) $(TCAT) $(UNTOAST)	\
++			$(ROOT)/gsm-1.0.tar.Z
++
++
++# Two tools that helped me generate gsm_encode.c and gsm_decode.c,
++# but aren't generally needed to port this.
++
++$(TLS)/sweet:	$(TLS)/sweet.o $(TLS)/taste.o
++		$(LD) $(LFLAGS) -o $(TLS)/sweet \
++			$(TLS)/sweet.o $(TLS)/taste.o $(LDLIB)
++
++$(TLS)/bitter:	$(TLS)/bitter.o $(TLS)/taste.o
++		$(LD) $(LFLAGS) -o $(TLS)/bitter \
++			$(TLS)/bitter.o $(TLS)/taste.o $(LDLIB)
++
++# A version of the same family that Jeff Chilton used to implement
++# the WAV #49 GSM format.
++
++$(TLS)/ginger:	$(TLS)/ginger.o $(TLS)/taste.o
++		$(LD) $(LFLAGS) -o $(TLS)/ginger \
++			$(TLS)/ginger.o $(TLS)/taste.o $(LDLIB)
++
++$(TLS)/sour:	$(TLS)/sour.o $(TLS)/taste.o
++		$(LD) $(LFLAGS) -o $(TLS)/sour \
++			$(TLS)/sour.o $(TLS)/taste.o $(LDLIB)
++
++# Run $(ADDTST)/add < $(ADDTST)/add_test.dta to make sure the
++# basic arithmetic functions work as intended.
++
++$(ADDTST)/add:	$(ADDTST)/add_test.o
++		$(LD) $(LFLAGS) -o $(ADDTST)/add $(ADDTST)/add_test.o $(LDLIB)
++
++
++# Various conversion programs between linear, text, .gsm and the code
++# format used by the tests we ran (.cod).  We paid for the test data,
++# so I guess we can't just provide them with this package.  Still,
++# if you happen to have them lying around, here's the code.
++# 
++# You can use gsm2cod | cod2txt independently to look at what's
++# coded inside the compressed frames, although this shouldn't be
++# hard to roll on your own using the gsm_print() function from
++# the API.
++
++
++$(TST)/test-result:	$(TST)/lin2cod $(TST)/cod2lin $(TOAST) $(TST)/run
++			( cd $(TST); ./run ) 
++
++$(TST)/lin2txt:		$(TST)/lin2txt.o $(LIBGSM)
++			$(LD) $(LFLAGS) -o $(TST)/lin2txt \
++				$(TST)/lin2txt.o $(LIBGSM) $(LDLIB)
++
++$(TST)/lin2cod:		$(TST)/lin2cod.o $(LIBGSM)
++			$(LD) $(LFLAGS) -o $(TST)/lin2cod \
++				$(TST)/lin2cod.o $(LIBGSM) $(LDLIB)
++
++$(TST)/gsm2cod:		$(TST)/gsm2cod.o $(LIBGSM)
++			$(LD) $(LFLAGS) -o $(TST)/gsm2cod \
++				$(TST)/gsm2cod.o $(LIBGSM) $(LDLIB)
++
++$(TST)/cod2txt:		$(TST)/cod2txt.o $(LIBGSM)
++			$(LD) $(LFLAGS) -o $(TST)/cod2txt \
++				$(TST)/cod2txt.o $(LIBGSM) $(LDLIB)
++
++$(TST)/cod2lin:		$(TST)/cod2lin.o $(LIBGSM)
++			$(LD) $(LFLAGS) -o $(TST)/cod2lin \
++				$(TST)/cod2lin.o $(LIBGSM) $(LDLIB)
diff --git a/gsm/mingw-w64/win32.patch b/gsm/mingw-w64/win32.patch
new file mode 100644
index 00000000..6190c349
--- /dev/null
+++ b/gsm/mingw-w64/win32.patch
@@ -0,0 +1,20 @@
+diff -ru gsm-1.0-pl13/inc/config.h patched/inc/config.h
+--- gsm-1.0-pl13/inc/config.h	2006-04-26 21:14:26.000000000 +0200
++++ patched/inc/config.h	2013-06-14 17:20:37.435375581 +0200
+@@ -17,12 +17,16 @@
+ #define	HAS_FCNTL_H	1		/* /usr/include/fcntl.h		*/
+ #define	HAS_ERRNO_DECL	1		/* errno.h declares errno	*/
+ 
++#ifdef __WIN32
++
++#else
+ #define	HAS_FSTAT 	1		/* fstat syscall		*/
+ #define	HAS_FCHMOD 	1		/* fchmod syscall		*/
+ #define	HAS_CHMOD 	1		/* chmod syscall		*/
+ #define	HAS_FCHOWN 	1		/* fchown syscall		*/
+ #define	HAS_CHOWN 	1		/* chown syscall		*/
+ /*efine	HAS__FSETMODE 	1		/* _fsetmode -- set file mode	*/
++#endif
+ 
+ #define	HAS_STRING_H 	1		/* /usr/include/string.h 	*/
+ /*efine	HAS_STRINGS_H	1		/* /usr/include/strings.h 	*/
diff --git a/pkgbuilds.pro b/pkgbuilds.pro
index ab7e4722..5beedcc9 100644
--- a/pkgbuilds.pro
+++ b/pkgbuilds.pro
@@ -68,4 +68,8 @@ OTHER_FILES += \
     freetype2/mingw-w64-bootstrap/0004-Mask-subpixel-hinting-with-an-env-var.patch \
     evince/mingw-w64/PKGBUILD \
     evince/mingw-w64/0002-missing-include.patch \
-    geany/mingw-w64/PKGBUILD
+    geany/mingw-w64/PKGBUILD \
+    gsm/mingw-w64/PKGBUILD \
+    gsm/mingw-w64/gsm.patch \
+    gsm/mingw-w64/makefile.patch \
+    gsm/mingw-w64/win32.patch