Use MinGW naming convention for Windows libraries

For the import and static libraries, use the MinGW naming convention
(libdeflate.dll.a and libdeflate.a, respectively) instead of the Visual
Studio naming convention (libdeflate.lib and libdeflatestatic.lib,
respectively).  The original assumption was that the native Windows
convention was better.  However, instead people expect the naming
convention to reflect the toolchain with which the files were built.

Also change 'make install' to install the DLL into the bin directory
instead of the lib directory, again following the MinGW convention.

Fixes #190

Makefile

@@ -85,7 +85,7 @@ LIBDIR ?= $(PREFIX)/lib
 
 SOVERSION          := 0
 
-STATIC_LIB_SUFFIX  := .a
+IMPLIB             :=
 PROG_SUFFIX        :=
 PROG_CFLAGS        :=
 HARD_LINKS         := 1
@@ -94,12 +94,12 @@ TARGET_MACHINE     := $(shell $(CC) -dumpmachine 2>/dev/null)
 
 # Compiling for Windows with MinGW or LLVM?
 ifneq ($(findstring -mingw,$(TARGET_MACHINE))$(findstring -windows-gnu,$(TARGET_MACHINE)),)
-    STATIC_LIB_SUFFIX  := static.lib
     SHARED_LIB         := libdeflate.dll
     SHARED_LIB_SYMLINK :=
     SHARED_LIB_CFLAGS  :=
-    SHARED_LIB_LDFLAGS := -Wl,--out-implib,libdeflate.lib \
+    SHARED_LIB_LDFLAGS := -Wl,--out-implib,libdeflate.dll.a \
                           -Wl,--output-def,libdeflate.def
+    IMPLIB             := libdeflate.dll.a
     PROG_SUFFIX        := .exe
     PROG_CFLAGS        := -static -municode
     HARD_LINKS         :=
@@ -188,7 +188,7 @@ DEFAULT_TARGETS :=
 
 #### Library
 
-STATIC_LIB := libdeflate$(STATIC_LIB_SUFFIX)
+STATIC_LIB := libdeflate.a
 
 LIB_CFLAGS += $(CFLAGS) -fvisibility=hidden -D_ANSI_SOURCE
 
@@ -345,7 +345,12 @@ install:all $(PKGCONFBASE)
 		$(DESTDIR)$(BINDIR)
 	install -m644 $(STATIC_LIB) $(DESTDIR)$(LIBDIR)
 	if [ -z "$(DISABLE_SHARED)" ]; then				\
-		install -m755 $(SHARED_LIB) $(DESTDIR)$(LIBDIR);	\
+		if [ -n "$(IMPLIB)" ]; then				\
+			install -m755 $(SHARED_LIB) $(DESTDIR)$(BINDIR);\
+			install -m644 $(IMPLIB) $(DESTDIR)$(LIBDIR);	\
+		else							\
+			install -m755 $(SHARED_LIB) $(DESTDIR)$(LIBDIR);\
+		fi							\
 	fi
 	sed -e "s|@LIBDIR@|$(LIBDIR)|"					\
 	    -e "s|@INCDIR@|$(INCDIR)|"					\
@@ -369,11 +374,16 @@ install:all $(PKGCONFBASE)
 
 uninstall:
 	rm -f $(DESTDIR)$(LIBDIR)/$(STATIC_LIB)				\
-	      $(DESTDIR)$(LIBDIR)/$(SHARED_LIB)				\
 	      $(DESTDIR)$(LIBDIR)/pkgconfig/libdeflate.pc		\
 	      $(DESTDIR)$(INCDIR)/libdeflate.h				\
 	      $(DESTDIR)$(BINDIR)/libdeflate-gzip$(PROG_SUFFIX)		\
 	      $(DESTDIR)$(BINDIR)/libdeflate-gunzip$(PROG_SUFFIX)
+	if [ -n "$(IMPLIB)" ]; then					\
+	      rm -f $(DESTDIR)$(BINDIR)/$(SHARED_LIB)			\
+		    $(DESTDIR)$(LIBDIR)/$(IMPLIB);			\
+	else								\
+	      rm -f $(DESTDIR)$(LIBDIR)/$(SHARED_LIB);			\
+	fi
 	if [ -n "$(SHARED_LIB_SYMLINK)" ]; then				\
 		rm -f $(DESTDIR)$(LIBDIR)/$(SHARED_LIB_SYMLINK);	\
 	fi

scripts/make-windows-releases.sh

@@ -9,8 +9,7 @@ for arch in 'i686' 'x86_64'; do
 	dir=libdeflate-$(git describe --tags | tr -d v)-windows-${arch}-bin
 	rm -rf "$dir" "$dir.zip"
 	mkdir "$dir"
-	cp libdeflate.{dll,lib,def} libdeflatestatic.lib libdeflate.h ./*.exe \
-		"$dir"
+	cp libdeflate.{dll,dll.a,def,a} libdeflate.h ./*.exe "$dir"
 	${arch}-w64-mingw32-strip "$dir/libdeflate.dll" "$dir"/*.exe
 	for file in COPYING NEWS.md README.md; do
 		sed < $file > "$dir/${file}.txt" -e 's/$/\r/g'