Visual Studio projects: move projects to win32/

This will simplify our source tree a bit

win32/detectenv-msvc.mak

@@ -0,0 +1,80 @@
+# Common NMake Makefile module for checking the build environment
+# This can be copied from $(glib_srcroot)\build\win32 for GNOME items
+# that support MSVC builds and introspection under MSVC, and can be used
+# for building test programs as well.
+
+# Check to see we are configured to build with MSVC (MSDEVDIR, MSVCDIR or
+# VCINSTALLDIR) or with the MS Platform SDK (MSSDK or WindowsSDKDir)
+!if !defined(VCINSTALLDIR) && !defined(WINDOWSSDKDIR)
+MSG = ^
+This Makefile is only for Visual Studio 2008 and later.^
+You need to ensure that the Visual Studio Environment is properly set up^
+before running this Makefile.
+!error $(MSG)
+!endif
+
+ERRNUL  = 2>NUL
+_HASH=^#
+
+!if ![echo VCVERSION=_MSC_VER > vercl.x] \
+    && ![echo $(_HASH)if defined(_M_IX86) >> vercl.x] \
+    && ![echo PLAT=Win32 >> vercl.x] \
+    && ![echo $(_HASH)elif defined(_M_AMD64) >> vercl.x] \
+    && ![echo PLAT=x64 >> vercl.x] \
+    && ![echo $(_HASH)endif >> vercl.x] \
+    && ![cl -nologo -TC -P vercl.x $(ERRNUL)]
+!include vercl.i
+!if ![echo VCVER= ^\> vercl.vc] \
+    && ![set /a $(VCVERSION) / 100 - 6 >> vercl.vc]
+!include vercl.vc
+!endif
+!endif
+!if ![del $(ERRNUL) /q/f vercl.x vercl.i vercl.vc]
+!endif
+
+!if $(VCVERSION) > 1499 && $(VCVERSION) < 1600
+VSVER = 9
+!elseif $(VCVERSION) > 1599 && $(VCVERSION) < 1700
+VSVER = 10
+!elseif $(VCVERSION) > 1699 && $(VCVERSION) < 1800
+VSVER = 11
+!elseif $(VCVERSION) > 1799 && $(VCVERSION) < 1900
+VSVER = 12
+!elseif $(VCVERSION) > 1899 && $(VCVERSION) < 1910
+VSVER = 14
+!elseif $(VCVERSION) > 1909 && $(VCVERSION) < 1920
+VSVER = 15
+!elseif $(VCVERSION) > 1919 && $(VCVERSION) < 2000
+VSVER = 16
+!else
+VSVER = 0
+!endif
+
+!if "$(VSVER)" == "0"
+MSG = ^
+This NMake Makefile set supports Visual Studio^
+9 (2008) through 16 (2019).  Your Visual Studio^
+version is not supported.
+!error $(MSG)
+!endif
+
+VALID_CFGSET = FALSE
+!if "$(CFG)" == "release" || "$(CFG)" == "debug" || "$(CFG)" == "Release" || "$(CFG)" == "Debug"
+VALID_CFGSET = TRUE
+!endif
+
+# We want debugging symbols logged for all builds,
+# using .pdb files for release builds
+CFLAGS_BASE = /Zi
+
+!if "$(CFG)" == "release" || "$(CFG)" == "Release"
+CFLAGS_ADD = /MD /O2 $(CFLAGS_BASE)
+!else
+CFLAGS_ADD = /MDd /Od $(CFLAGS_BASE)
+!endif
+
+!if "$(PLAT)" == "x64"
+LDFLAGS_ARCH = /machine:x64
+!else
+LDFLAGS_ARCH = /machine:x86
+!endif