toolchain/musl/common.mk

   1 #
   2 # Copyright (C) 2012-2013 OpenWrt.org
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7 include $(TOPDIR)/rules.mk
   8 include $(INCLUDE_DIR)/target.mk
   9
  10 PKG_NAME:=musl
  11 PKG_VERSION:=$(call qstrip,$(CONFIG_MUSL_VERSION))
  12 PKG_RELEASE=1
  13
  14 PKG_MD5SUM:=48be0777e32f374d387e9cf85e36ec4d
  15
  16 PKG_SOURCE_URL:=http://www.musl-libc.org/releases
  17 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
  18 LIBC_SO_VERSION:=$(PKG_VERSION)
  19 PATCH_DIR:=$(PATH_PREFIX)/patches
  20
  21 HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)-$(PKG_VERSION)
  22
  23 include $(INCLUDE_DIR)/toolchain-build.mk
  24 include $(INCLUDE_DIR)/hardening.mk
  25
  26 # Please see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67260
  27 ifeq ($(CONFIG_sh3),y)
  28 TARGET_CFLAGS+= \
  29         -fno-optimize-sibling-calls
  30 endif
  31
  32 MUSL_CONFIGURE:= \
  33         $(TARGET_CONFIGURE_OPTS) \
  34         CFLAGS="$(TARGET_CFLAGS)" \
  35         CROSS_COMPILE="$(TARGET_CROSS)" \
  36         $(HOST_BUILD_DIR)/configure \
  37                 --prefix=/ \
  38                 --host=$(GNU_HOST_NAME) \
  39                 --target=$(REAL_GNU_TARGET_NAME) \
  40                 --disable-gcc-wrapper \
  41                 --enable-debug
  42
  43 ifeq ($(CONFIG_MUSL_ENABLE_DEBUG),y)
  44 MUSL_CONFIGURE+= \
  45         --enable-debug
  46 endif
  47
  48 define Host/Prepare
  49         $(call Host/Prepare/Default)
  50         $(if $(strip $(QUILT)), \
  51                 cd $(HOST_BUILD_DIR); \
  52                 if $(QUILT_CMD) next >/dev/null 2>&1; then \
  53                         $(QUILT_CMD) push -a; \
  54                 fi
  55         )
  56         ln -snf $(PKG_NAME)-$(PKG_VERSION) $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME)
  57 endef
  58
  59 define Host/Configure
  60         ( cd $(HOST_BUILD_DIR); rm -f config.cache; \
  61                 $(MUSL_CONFIGURE) \
  62         );
  63 endef
  64
  65 define Host/Clean
  66         rm -rf \
  67                 $(HOST_BUILD_DIR) \
  68                 $(BUILD_DIR_TOOLCHAIN)/$(PKG_NAME) \
  69                 $(BUILD_DIR_TOOLCHAIN)/$(LIBC)-dev
  70 endef