ccache: update to 4.1

Upstream switched to building with CMake. Adjust accordingly.

Reapplied patch as upstream changed the file format.

Added HOST_BUILD_PARALLEL for faster compilation.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

tools/ccache/Makefile

@@ -8,25 +8,22 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/target.mk
 
 PKG_NAME:=ccache
-PKG_VERSION:=3.7.11
+PKG_VERSION:=4.1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=https://github.com/ccache/ccache/releases/download/v$(PKG_VERSION)
-PKG_HASH:=8d450208099a4d202bd7df87caaec81baee20ce9dd62da91e9ea7b95a9072f68
+PKG_HASH:=5fdc804056632d722a1182e15386696f0ea6c59cb4ab4d65a54f0b269ae86f99
+
+HOST_BUILD_PARALLEL:=1
 
 include $(INCLUDE_DIR)/host-build.mk
-
-HOST_CONFIGURE_VARS += CC="$(HOSTCC_NOCACHE)"
+include $(INCLUDE_DIR)/cmake.mk
 
 define Host/Install/ccache
 	$(INSTALL_DIR) $(STAGING_DIR_HOST)/bin/
 	$(CP) ./files/* $(STAGING_DIR_HOST)/bin/
 endef
 
-define Host/Clean
-	-$(MAKE) -C $(HOST_BUILD_DIR) uninstall
-	$(call Host/Clean/Default)
-endef
 define Host/Install
 	$(call Host/Install/Default)
 	$(call Host/Install/ccache)

tools/ccache/patches/100-honour-copts.patch

@@ -1,10 +1,10 @@
---- a/src/ccache.c
-+++ b/src/ccache.c
-@@ -2277,6 +2277,7 @@ calculate_object_hash(struct args *args,
- 			"CPLUS_INCLUDE_PATH",
- 			"OBJC_INCLUDE_PATH",
- 			"OBJCPLUS_INCLUDE_PATH", // clang
-+			"GCC_HONOUR_COPTS",
- 			NULL
- 		};
- 		for (const char **p = envvars; *p; ++p) {
+--- a/src/ccache.cpp
++++ b/src/ccache.cpp
+@@ -1654,6 +1654,7 @@ calculate_result_name(Context& ctx,
+                              "CPLUS_INCLUDE_PATH",
+                              "OBJC_INCLUDE_PATH",
+                              "OBJCPLUS_INCLUDE_PATH", // clang
++                             "GCC_HONOUR_COPTS",
+                              nullptr};
+     for (const char** p = envvars; *p; ++p) {
+       const char* v = getenv(*p);