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

PKG             := ilmbase
$(PKG)_IGNORE   :=
$(PKG)_VERSION  := 2.4.0
$(PKG)_CHECKSUM := 0b9a24b8fa6b3f7f1d8813e91234308d3e43d10f
$(PKG)_SUBDIR   := ilmbase-$($(PKG)_VERSION)
$(PKG)_FILE     := ilmbase-$($(PKG)_VERSION).tar.gz
$(PKG)_URL      := https://github.com/openexr/openexr/archive/v$($(PKG)_VERSION).tar.gz
$(PKG)_DEPS     :=

define $(PKG)_UPDATE
    $(WGET) -q -O- 'https://github.com/openexr/openexr/tags' | \
    $(SED) -n 's|.*releases/tag/v\([^"]*\).*|\1|p' | \
    head -1
endef

define $(PKG)_BUILD
    # build the win32 thread sources instead of the posix thread sources
    $(SED) -i 's,IlmThreadPosix\.,IlmThreadWin32.,'                   '$(1)/IlmThread/Makefile.in'
    $(SED) -i 's,IlmThreadSemaphorePosix\.,IlmThreadSemaphoreWin32.,' '$(1)/IlmThread/Makefile.in'
    $(SED) -i 's,IlmThreadMutexPosix\.,IlmThreadMutexWin32.,'         '$(1)/IlmThread/Makefile.in'
    echo '/* disabled */' > '$(1)/IlmThread/IlmThreadSemaphorePosixCompat.cpp'
    # Because of the previous changes, '--disable-threading' will not disable
    # threading. It will just disable the unwanted check for pthread.
    cd '$(1)' && $(SHELL) ./configure \
        $(HOST_AND_BUILD_CONFIGURE_OPTIONS) \
        $(ENABLE_SHARED_OR_STATIC) \
        --prefix='$(HOST_PREFIX)' \
        --disable-threading \
        CONFIG_SHELL=$(SHELL) \
        SHELL=$(SHELL)
    # do the first build step by hand, because programs are built that
    # generate source files
    cd '$(1)/Half' && g++ eLut.cpp -o eLut
    '$(1)/Half/eLut' > '$(1)/eLut.h'
    cd '$(1)/Half' && g++ toFloat.cpp -o toFloat
    '$(1)/Half/toFloat' > '$(1)/toFloat.h'
    $(MAKE) -C '$(1)' -j '$(JOBS)' install bin_PROGRAMS= sbin_PROGRAMS= noinst_PROGRAMS=
endef