[Pixman] [PATCH] Allow building on Windows with cmd.exe

[Simon Richter]

This finds out whether the standard shell for make is cmd.exe, and adjusts
the build process accordingly.
---
 Makefile.win32.common | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/Makefile.win32.common b/Makefile.win32.common
index 777f94c..335886f 100644
--- a/Makefile.win32.common
+++ b/Makefile.win32.common
@@ -1,5 +1,15 @@
 LIBRARY = pixman-1
 
+ifeq ($(shell echo ""),)
+# POSIX style shell
+mkdir_p = mkdir -p $1
+rm = $(RM) $1
+else
+# DOS/Windows style shell
+mkdir_p = if not exist $(subst /,\,$1) md $(subst /,\,$1)
+rm = del $(subst /,\,$1)
+endif
+
 CC = cl
 LD = link
 AR = lib
@@ -47,10 +57,10 @@ endif
 
 
 $(CFG_VAR)/%.obj: %.c $(libpixman_headers)
-	@mkdir -p $(CFG_VAR)
+	@$(call mkdir_p,$(@D))
 	@$(CC) -c $(PIXMAN_CFLAGS) -Fo"$@" $<
 
 clean: inform
-	@$(RM) $(CFG_VAR)/*.{exe,ilk,lib,obj,pdb} $(BUILT_SOURCES) || exit 0
+	@-$(call rm,$(CFG_VAR)/*.exe $(CFG_VAR)/*.ilk $(CFG_VAR)/*.lib $(CFG_VAR)/*.obj $(CFG_VAR)/*.pdb} $(BUILT_SOURCES))
 
 .PHONY: inform clean
-- 
2.1.4