new package: mruby (#8090)

packages/mruby/build.sh

@@ -0,0 +1,37 @@
+TERMUX_PKG_HOMEPAGE=https://mruby.org/
+TERMUX_PKG_DESCRIPTION="Lightweight implementation of the Ruby language"
+TERMUX_PKG_LICENSE="MIT"
+TERMUX_PKG_MAINTAINER="@termux"
+TERMUX_PKG_VERSION=3.0.0
+TERMUX_PKG_SRCURL=https://github.com/mruby/mruby/archive/${TERMUX_PKG_VERSION}.zip
+TERMUX_PKG_SHA256=c7d95fdc05efdc8f5a0df4d5f0fbad5092596d61927c39515d03b8dde4743a8e
+TERMUX_PKG_DEPENDS="ncurses, readline"
+TERMUX_PKG_BUILD_IN_SRC=true
+
+termux_step_configure() {
+	:
+}
+
+termux_step_make() {
+	export CC_FOR_TARGET="$CC"
+	export CFLAGS_FOR_TARGET="$CPPFLAGS $CFLAGS -DMRB_USE_READLINE"
+	export LDFLAGS_FOR_TARGET="$LDFLAGS -lncurses -lreadline"
+	unset CPPFLAGS CFLAGS LDFLAGS
+	export CC="$CC_FOR_BUILD"
+	export LD="$CC_FOR_BUILD"
+
+	export ANDROID_NDK_HOME="$NDK"
+	export MRUBY_CONFIG=android-termux
+	rake
+}
+
+termux_step_make_install() {
+	cd "$TERMUX_PKG_BUILDDIR/build/android-termux"
+	for f in bin/*; do
+		install -Dm700 -t $TERMUX_PREFIX/bin $f
+	done
+	for f in lib/*.a; do
+		install -Dm600 -t $TERMUX_PREFIX/lib $f
+	done
+	cp -a "$TERMUX_PKG_SRCDIR/include" $TERMUX_PREFIX/
+}

packages/mruby/build_config.patch

@@ -0,0 +1,16 @@
+--- a/build_config/android-termux.rb
++++ b/build_config/android-termux.rb
+@@ -0,0 +1,13 @@
++MRuby::CrossBuild.new('android-termux') do |conf|
++  params = {
++    :toolchain => :clang,
++  }
++  toolchain :android, params
++
++  conf.cc.command = ENV['CC_FOR_TARGET'] || 'clang'
++  conf.cc.flags << ENV['CFLAGS_FOR_TARGET'] || ''
++  conf.linker.command = conf.cc.command
++  conf.linker.flags << ENV['LDFLAGS_FOR_TARGET'] || ''
++
++  conf.gembox 'default'
++end

packages/mruby/tasks-toolchains-android.rake.patch

@@ -0,0 +1,72 @@
+--- a/tasks/toolchains/android.rake
++++ b/tasks/toolchains/android.rake
+@@ -218,7 +218,7 @@
+       end
+     end
+     if Integer(@platform.rpartition('-')[2]) < 21
+-      case arch
++      case nil
+       when /arm64-v8a/, /x86_64/, /mips64/
+         raise NotImplementedError, "Platform (#{@platform}) has no implementation for architecture (#{arch})"
+       end
+@@ -252,7 +252,7 @@
+   def ar
+     case toolchain
+     when :gcc   then bin_gcc('ar')
+-    when :clang then bin_gcc('ar')
++    when :clang then bin('llvm-ar')
+     end
+   end
+ 
+@@ -271,7 +271,7 @@
+       when /mips/         then flags += %W(-march=mips32)
+       end
+     when :clang
+-      case arch
++      case nil
+       when /armeabi-v7a/  then flags += %W(-target armv7-none-linux-androideabi)
+       when /armeabi/      then flags += %W(-target armv5te-none-linux-androideabi)
+       when /arm64-v8a/    then flags += %W(-target aarch64-none-linux-android)
+@@ -282,7 +282,7 @@
+       end
+     end
+ 
+-    case arch
++    case nil
+     when /armeabi-v7a/  then flags += %W(-mfpu=#{armeabi_v7a_mfpu} -mfloat-abi=#{armeabi_v7a_mfloat_abi})
+     when /armeabi/      then flags += %W(-mtune=xscale -msoft-float)
+     when /arm64-v8a/    then flags += %W()
+@@ -304,12 +304,12 @@
+       flags += %W(-U_WIN32 -U_WIN64)
+     end
+ 
+-    flags += %W(-MMD -MP -D__android__ -DANDROID --sysroot="#{sysroot}")
++    flags += %W(-MMD -MP -D__android__ -DANDROID)
+     flags += ctarget
+     case toolchain
+     when :gcc
+     when :clang
+-      flags += %W(-gcc-toolchain "#{gcc_toolchain_path}" -Wno-invalid-command-line-argument -Wno-unused-command-line-argument)
++      flags += %W(-Wno-invalid-command-line-argument -Wno-unused-command-line-argument)
+     end
+     flags += %W(-fpic -ffunction-sections -funwind-tables -fstack-protector-strong -no-canonical-prefixes)
+ 
+@@ -319,8 +319,6 @@
+   def ldflags
+     flags = []
+ 
+-    flags += %W(--sysroot="#{sysroot}")
+-
+     flags
+   end
+ 
+@@ -333,8 +331,7 @@
+       when /armeabi-v7a/  then flags += %W(-Wl#{no_warn_mismatch})
+       end
+     when :clang
+-      flags += %W(-gcc-toolchain "#{gcc_toolchain_path.to_s}")
+-      case arch
++      case nil
+       when /armeabi-v7a/  then flags += %W(-target armv7-none-linux-androideabi -Wl,--fix-cortex-a8#{no_warn_mismatch})
+       when /armeabi/      then flags += %W(-target armv5te-none-linux-androideabi)
+       when /arm64-v8a/    then flags += %W(-target aarch64-none-linux-android)