SUMMARY="Modern and safe systems programming language"
DESCRIPTION="Rust is a systems programming language that runs blazingly fast, prevents almost all crashes*, and eliminates data races."
HOMEPAGE="https://www.rust-lang.org/"
COPYRIGHT="2016, The Rust Project Developers"
LICENSE="MIT"
REVISION="1"
srcGitRev="2c6933acc05c61e041be764cb1331f6281993f3f"
SOURCE_URI="https://github.com/rust-lang/rust/archive/$srcGitRev.tar.gz"
CHECKSUM_SHA256="b17dce437b064a7c7954e4e40a3f1351d3cc33db8efeedbaeeb39e842b77fc8f"
SOURCE_FILENAME="rust-$srcGitRev.tar.gz"
SOURCE_DIR="rust-$srcGitRev"
srcGitRev_2="ecd2b1f6d689d5afbf5debe8afb3739337323852"
SOURCE_URI_2="https://github.com/rust-lang/compiler-rt/archive/$srcGitRev_2.tar.gz"
CHECKSUM_SHA256_2="f9814fd94717dec7ec2c09ecc17fe6ef25c8b2e95ad16ced020e864b3ad763f5"
srcGitRev_3="4f994850808a572e2cc8d43f968893c8e942e9bf"
SOURCE_URI_3="https://github.com/rust-lang/rust-installer/archive/$srcGitRev_3.tar.gz"
CHECKSUM_SHA256_3="dc7240d60a869fa24a68c8734fb7c810c27cca0a6dad52df6279865e4e8e7fae"
srcGitRev_4="a3736a0a1907cbc8bf619708738815a5fd789c80"
SOURCE_URI_4="https://github.com/rust-lang/hoedown/archive/$srcGitRev_4.tar.gz"
CHECKSUM_SHA256_4="29da85607df523a165c1b01a378f929a0b37b75969119b6ec373d95576978b13"
srcGitRev_5="ebeab042e6bb14a447627b57ed9a493e2cc0e095"
SOURCE_URI_5="https://github.com/rust-lang/libc/archive/$srcGitRev_5.tar.gz"
CHECKSUM_SHA256_5="b0896666125315cdcd8cdef98c51529047f59a656de78503fa69782d5376beb7"
srcGitRev_6="ac1c94226e9fa17005ce7e2dd52dd6d1875f3137"
SOURCE_URI_6="https://github.com/rust-lang/llvm/archive/$srcGitRev_6.tar.gz"
CHECKSUM_SHA256_6="57638407e7713018e5cd4c0de29b52e976ddb248db122c13d6ded89f5f3243ce"
PATCHES="rust-$portVersion.patchset"
PATCHES_3="rust-installer-$portVersion.patchset"

ARCHITECTURES="?all !x86_gcc2"
SECONDARY_ARCHITECTURES="x86"

PROVIDES="
	rust$secondaryArchSuffix = $portVersion
	cmd:rust_gdb = $portVersion
	cmd:rustc = $portVersion
	cmd:rustdoc = $portVersion
	"
REQUIRES="
	haiku$secondaryArchSuffix
	"

BUILD_REQUIRES="
	haiku${secondaryArchSuffix}_devel
	binutils${secondaryArchSuffix} == 2.26.1_2016_07_22 # version 2.28.1 will crash when building llvm
	"
BUILD_PREREQUIRES="
	cmd:cmake
	cmd:file
	cmd:find
	cmd:find
	cmd:gcc$secondaryArchSuffix
	cmd:git
	cmd:grep
	cmd:ld$secondaryArchSuffix
	cmd:make
	cmd:python
	cmd:rustc == 1.12.1
	cmd:sed
	cmd:tar
	cmd:which
	"

BUILD()
{
	rm -rf src/compiler-rt src/llvm src/rust-installer src/liblibc src/rt/hoedown
	ln -sf /sources-2/compiler-rt-$srcGitRev_2 src/compiler-rt
	ln -sf /sources-3/rust-installer-$srcGitRev_3 src/rust-installer
	ln -sf /sources-4/hoedown-$srcGitRev_4 src/rt/hoedown
	ln -sf /sources-5/libc-$srcGitRev_5 src/liblibc
	ln -sf /sources-6/llvm-$srcGitRev_6 src/llvm
	# Do not use runConfigure: it generates too much noise, and it creates a totally impossible directory structure
	#runConfigure --omit-dirs "docDir libExecDir dataRootDir includeDir sharedStateDir sbinDir binDir oldIncludeDir" ./configure --disable-jemalloc --build=i686-unknown-haiku --host=i686-unknown-haiku --target=i686-unknown-haiku

	./configure --prefix=$prefix --mandir=$manDir --disable-jemalloc \
	            --enable-local-rust --local-rust-root=/boot/system/ \
	            --release-channel=stable

	make
}

INSTALL()
{
	make install

	# move documentation to the proper place
	mkdir -p $developDocDir
	mv $prefix/share/doc/rust/* $developDocDir
	rm -rf $prefix/share

	if [ -n "$secondaryArchSuffix" ]; then
		# move the libs to the x86 subdir
		mkdir -p $libDir
		mv $prefix/lib/*.so $libDir
	fi

	# move the `rustlib` folder to the developLibDirs (as it is a framework of sorts)
	# do create a link in $prefix/lib as that is where rustc expects things to live
	mkdir -p $developLibDir
	mv $prefix/lib/rustlib $developLibDir
	cd $prefix/lib
	ln -s ../$relativeDevelopLibDir/rustlib rustlib

	# clean out unneccesary files created by the rust installer
	rm $developLibDir/rustlib/components
	rm $developLibDir/rustlib/install.log
	rm $developLibDir/rustlib/manifest-rust-docs
	rm $developLibDir/rustlib/manifest-rust-std-*-haiku
	rm $developLibDir/rustlib/manifest-rustc
	rm $developLibDir/rustlib/rust-installer-version
	rm $developLibDir/rustlib/uninstall.sh
}

TEST()
{
	make check
}