# This file is part of MXE.
# See index.html for further information.

PKG             := llvm
$(PKG)_IGNORE   :=
$(PKG)_CHECKSUM := c6c22d5593419e3cb47cbcf16d967640e5cce133
$(PKG)_SUBDIR   := llvm-$($(PKG)_VERSION).src
$(PKG)_FILE     := llvm-$($(PKG)_VERSION).src.tar.gz
$(PKG)_URL      := http://llvm.org/releases/$($(PKG)_VERSION)/$($(PKG)_FILE)
$(PKG)_DEPS     :=
ifeq ($(MXE_SYSTEM),msvc)
    $(PKG)_DEPS += libffi
endif

define $(PKG)_UPDATE
    $(WGET) -q -O- 'http://llvm.org/releases/download.html' | \
    grep 'Download LLVM' | \
    $(SED) -n 's,.*\([0-9]\.[0-9]\).*,\1,p' | \
    head -1
endef

ifeq ($(MXE_NATIVE_MINGW_BUILD),yes)
ifeq ($(MXE_SYSTEM),msvc)
define $(PKG)_BUILD
    mkdir '$(1)/.build'
    cd '$(1)/.build' && cmake \
        -G "NMake Makefiles" \
        -DCMAKE_TOOLCHAIN_FILE='$(CMAKE_TOOLCHAIN_FILE)' \
        -DBUILD_SHARED_LIBS=OFF \
        -DLLVM_TARGETS_TO_BUILD="X86" \
        -DLLVM_ENABLE_FFI=ON \
        "-DFFI_INCLUDE_DIR=$(HOST_LIBDIR)/libffi-$(libffi_VERSION)/include" \
        -DLLVM_REQUIRES_EH=ON \
        ../
    sed -i '/^	echo "/ {s/echo "/echo /;s/" >>/ >>/;}' \
        '$(1)/.build/tools/llvm-config/CMakeFiles/llvm-config.dir/build.make'
    cd '$(1)/.build' && \
        env -u MAKE -u MAKEFLAGS nmake && \
        env -u MAKE -u MAKEFLAGS nmake DESTDIR='$(3)' install
endef
else
define $(PKG)_BUILD
    mkdir '$(1)/build'
    cd '$(1)/build' && ../configure  \
      $(CONFIGURE_CPPFLAGS) $(CONFIGURE_LDFLAGS) \
      $(HOST_AND_BUILD_CONFIGURE_OPTIONS) \
      --enable-targets='host-only' \
      --disable-docs \
      $(ENABLE_SHARED_OR_STATIC) \
      --prefix='$(HOST_PREFIX)'

    PATH='$(HOST_BINDIR):$(PATH)' $(MAKE) -C '$(1)/build' -j $(JOBS) install DESTDIR='$(3)'

    # create import lib for the dll
    $(if $(filter yes, $(BUILD_SHARED)),
      cd '$(1)/build/tools/llvm-shlib/Release+Asserts' && \
        $(MXE_DLLTOOL) \
         --dllname "LLVM-`$(3)$(HOST_BINDIR)/llvm-config --version`.dll" \
         --def "LLVM-`$(3)$(HOST_BINDIR)/llvm-config --version`.def" \
         --output-lib "libLLVM-`$(3)$(HOST_BINDIR)/llvm-config --version`.a"
      $(INSTALL) -d "$(3)$(HOST_LIBDIR)"
      cd '$(1)/build/tools/llvm-shlib/Release+Asserts' && \
        $(INSTALL) -m644 \
         "libLLVM-`$(3)$(HOST_BINDIR)/llvm-config --version`.a" \
         "$(3)$(HOST_LIBDIR)"
    )
endef
endif
else
define $(PKG)_BUILD
    mkdir '$(1)/build'
    cd '$(1)/build' && ../configure  \
      $(CONFIGURE_CPPFLAGS) $(CONFIGURE_LDFLAGS) \
      $(HOST_AND_BUILD_CONFIGURE_OPTIONS) \
      --enable-targets='x86' \
      --disable-docs \
      $(ENABLE_SHARED_OR_STATIC) \
      --prefix='$(HOST_PREFIX)'

    $(MAKE) -C '$(1)/build' -j $(JOBS)
    $(MAKE) -C '$(1)/build' -j 1 install DESTDIR='$(3)'

    if [ $(MXE_NATIVE_BUILD) = no ]; then \
      $(INSTALL) -d '$(3)$(BUILD_TOOLS_PREFIX)/bin'; \
      $(INSTALL) -m755 '$(3)$(HOST_BINDIR)/llvm-config-host' '$(3)$(BUILD_TOOLS_PREFIX)/bin/llvm-config'; \
    fi

    # create import lib for the dll
    if [ $(MXE_SYSTEM) = mingw -a $(BUILD_SHARED) = yes ]; then \
      cd '$(1)/build/tools/llvm-shlib/Release+Asserts' && \
        $(MXE_DLLTOOL) \
         --dllname "LLVM-`$(3)$(BUILD_TOOLS_PREFIX)/bin/llvm-config --version`.dll" \
         --def "LLVM-`$(3)$(BUILD_TOOLS_PREFIX)/bin/llvm-config --version`.def" \
         --output-lib "libLLVM-`$(3)$(BUILD_TOOLS_PREFIX)/bin/llvm-config --version`.a"; \
      $(INSTALL) -d "$(3)$(HOST_LIBDIR)"; \
      cd '$(1)/build/tools/llvm-shlib/Release+Asserts' && \
        $(INSTALL) -m644 \
         "libLLVM-`$(3)$(BUILD_TOOLS_PREFIX)/bin/llvm-config --version`.a" \
         "$(3)$(HOST_LIBDIR)"; \
    fi

endef
endif