add ccache and enable by default

1 files changed, 94 insertions, 0 deletions

diff --git a/src/ccache.mk b/src/ccache.mk
new file mode 100644
index 0000000..b37fe24
--- /dev/null
+++ b/src/ccache.mk
@@ -0,0 +1,94 @@
+# This file is part of MXE. See LICENSE.md for licensing information.
+
+PKG             := ccache
+$(PKG)_WEBSITE  := https://ccache.samba.org
+$(PKG)_DESCR    := ccache – a fast compiler cache
+$(PKG)_IGNORE   :=
+$(PKG)_VERSION  := 3.6
+$(PKG)_CHECKSUM := a6b129576328fcefad00cb72035bc87bc98b6a76aec0f4b59bed76d67a399b1f
+$(PKG)_SUBDIR   := ccache-$($(PKG)_VERSION)
+$(PKG)_FILE     := ccache-$($(PKG)_VERSION).tar.xz
+$(PKG)_URL      := https://www.samba.org/ftp/ccache/ccache-$($(PKG)_VERSION).tar.xz
+$(PKG)_DEPS     := $(BUILD)~$(PKG)
+$(PKG)_TARGETS  := $(BUILD) $(MXE_TARGETS)
+
+$(PKG)_DEPS_$(BUILD) :=
+
+define $(PKG)_UPDATE
+    $(call GET_LATEST_VERSION, https://www.samba.org/ftp/ccache)
+endef
+
+BOOTSTRAP_PKGS += ccache
+
+$(PKG)_SYS_CONF := $(MXE_CCACHE_DIR)/etc/$(PKG).conf
+$(PKG)_USR_CONF := $(MXE_CCACHE_DIR)/$(PKG).conf
+
+ifeq (mxe,$(MXE_USE_CCACHE))
+define $(PKG)_BUILD_$(BUILD)
+    # remove any previous symlinks
+    rm -fv '$(PREFIX)/$(BUILD)/bin/$(BUILD_CC)' '$(PREFIX)/$(BUILD)/bin/$(BUILD_CXX)'
+
+    # minimal reqs build with bundled zlib
+    cd '$(BUILD_DIR)' && $(SOURCE_DIR)/configure \
+        $(MXE_CONFIGURE_OPTS) \
+        --with-bundled-zlib \
+        --disable-man \
+        --prefix='$(MXE_CCACHE_DIR)' \
+        --sysconfdir='$(dir $($(PKG)_SYS_CONF))'
+    $(MAKE) -C '$(BUILD_DIR)' -j '$(JOBS)' $(MXE_DISABLE_DOCS)
+    $(MAKE) -C '$(BUILD_DIR)' -j 1 install $(MXE_DISABLE_DOCS)
+
+    # setup symlinks
+    ln -sf '$(MXE_CCACHE_DIR)/bin/ccache' '$(PREFIX)/$(BUILD)/bin/$(BUILD_CC)'
+    ln -sf '$(MXE_CCACHE_DIR)/bin/ccache' '$(PREFIX)/$(BUILD)/bin/$(BUILD_CXX)'
+
+    # https://ccache.samba.org/manual/latest.html#_configuration_settings
+    # always set/replace mxe `system` config
+    mkdir -p '$(dir $($(PKG)_SYS_CONF))'
+    (echo '# ccache system config'; \
+     echo '# this file is controlled by mxe, user config is in:'; \
+     echo '# $($(PKG)_USR_CONF)'; \
+     echo; \
+     echo 'base_dir = $(MXE_CCACHE_BASE_DIR)'; \
+     echo 'cache_dir = $(MXE_CCACHE_DIR)'; \
+     echo 'compiler_check = %compiler% -v'; \
+     ) > '$($(PKG)_SYS_CONF)'
+
+    # leave user config alone if set
+    [ -f '$($(PKG)_USR_CONF)' ] || \
+    (mkdir -p '$(dir $($(PKG)_USR_CONF))' && \
+    (echo '# ccache user config'; \
+     echo '# https://ccache.samba.org/manual/latest.html#_configuration_settings'; \
+     echo '# system config: $($(PKG)_SYS_CONF)'; \
+     echo; \
+     echo 'max_size = 20.0G'; \
+     ) > '$($(PKG)_USR_CONF)')
+endef
+
+define $(PKG)_BUILD
+    # setup symlinks
+    ln -sf '$(MXE_CCACHE_DIR)/bin/ccache' '$(PREFIX)/$(BUILD)/bin/$(TARGET)-gcc'
+    ln -sf '$(MXE_CCACHE_DIR)/bin/ccache' '$(PREFIX)/$(BUILD)/bin/$(TARGET)-g++'
+
+    # setup cmake toolchain to allow runtime override
+    # CMAKE_CXX_COMPILER_LAUNCHER shows original cc and isn't clear in logs etc.
+    mkdir -p '$(CMAKE_TOOLCHAIN_DIR)'
+    (echo 'option(MXE_USE_CCACHE "Enable ccache by default" ON)'; \
+     echo 'if(MXE_USE_CCACHE)'; \
+     echo '  set(CMAKE_C_COMPILER $(PREFIX)/$(BUILD)/bin/$(TARGET)-gcc)'; \
+     echo '  set(CMAKE_CXX_COMPILER $(PREFIX)/$(BUILD)/bin/$(TARGET)-g++)'; \
+     echo 'endif()'; \
+     ) > '$(CMAKE_TOOLCHAIN_DIR)/$(PKG).cmake'
+endef
+else
+define $(PKG)_BUILD_$(BUILD)
+    # remove symlinks
+    rm -fv '$(PREFIX)/$(BUILD)/bin/$(BUILD_CC)' '$(PREFIX)/$(BUILD)/bin/$(BUILD_CXX)'
+endef
+
+define $(PKG)_BUILD
+    # remove symlinks and cmake toolchain
+    rm -fv '$(PREFIX)/$(BUILD)/bin/$(TARGET)-'*
+    rm -fv '$(CMAKE_TOOLCHAIN_DIR)/$(PKG).cmake'
+endef
+endif