Fix "nmake install" when ADDITIONAL_LIB_DIR is provided and test it on CI (#356)

appveyor.yml

@@ -43,6 +43,7 @@ build_script:
   - 'if "%compiler%"=="msvc" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh; make distdir"'
   - 'if "%compiler%"=="msvc" cd harfbuzz-*\win32'
   - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 FREETYPE=1 FREETYPE_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\include ADDITIONAL_LIB_DIR=..\..\vcpkg\installed\%VCPKG_ARCH%\lib'
+  - 'if "%compiler%"=="msvc" nmake /f Makefile.vc CFG=%CFG% UNISCRIBE=1 DIRECTWRITE=1 FREETYPE=1 install'
 
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "pacman --noconfirm -S mingw-w64-$MSYS2_ARCH-{freetype,cairo,icu,gettext,gobject-introspection,gcc,gcc-libs,glib2,graphite2,pkg-config}"'
   - 'if "%compiler%"=="msys2" C:\msys64\usr\bin\bash -lc "cd $APPVEYOR_BUILD_FOLDER; PATH=$PATH:/mingw64/bin:/mingw32/bin; ./autogen.sh --with-uniscribe --with-freetype --with-glib --with-gobject --with-cairo --with-icu --with-graphite2 --build=$MINGW_CHOST --host=$MINGW_CHOST --prefix=$MINGW_PREFIX; make; make check"'

win32/detectenv-msvc.mak

@@ -129,10 +129,10 @@ LDFLAGS_ARCH = /machine:x86
 !if "$(VALID_CFGSET)" == "TRUE"
 CFLAGS = $(CFLAGS_ADD) /W3 /Zi /I.. /I..\src /I. /I$(PREFIX)\include
 
-LDFLAGS_BASE = $(LDFLAGS_ARCH) /libpath:$(PREFIX)\lib /DEBUG
 !if "$(ADDITIONAL_LIB_DIR)" != ""
-LDFLAGS_BASE = $(LDFLAGS_ARCH) /libpath:$(ADDITIONAL_LIB_DIR)
+ADDITIONAL_LIB_ARG = /libpath:$(ADDITIONAL_LIB_DIR)
 !endif
+LDFLAGS_BASE = $(LDFLAGS_ARCH) /libpath:$(PREFIX)\lib $(ADDITIONAL_LIB_ARG) /DEBUG
 
 !if "$(CFG)" == "debug"
 LDFLAGS = $(LDFLAGS_BASE)

win32/generate-msvc.mak

@@ -23,4 +23,4 @@ $(HB_GOBJECT_ENUM_GENERATED_SOURCES): ..\src\hb-gobject-enums.h.tmpl ..\src\hb-g
 
 # Create the build directories
 $(CFG)\$(PLAT)\harfbuzz $(CFG)\$(PLAT)\harfbuzz-icu $(CFG)\$(PLAT)\harfbuzz-gobject $(CFG)\$(PLAT)\util:
-	@-mkdir -p $@
+	@-md $@