ports: add tclsh as noux package

Fixes #2648

repos/ports/ports/tcl.hash

@@ -0,0 +1 @@
+429dbe862c9a0b57914f9b07155669c976758805

repos/ports/ports/tcl.port

@@ -0,0 +1,8 @@
+LICENSE   := BSD
+VERSION   := 8.6.8
+DOWNLOADS := tcl.archive
+
+URL(tcl) := https://prdownloads.sourceforge.net/tcl/tcl$(VERSION)-src.tar.gz
+SHA(tcl) := 0d014d97ca38534d4be1dfc6c563a7a3a6aa737f
+DIR(tcl) := src/noux-pkg/tcl
+

repos/ports/recipes/src/tclsh/content.mk

@@ -0,0 +1,26 @@
+content: src/noux-pkg/tcl src/noux-pkg/tclsh LICENSE README
+
+PORT_DIR := $(call port_dir,$(REP_DIR)/ports/tcl)
+
+TCL_CONTENT := unix generic compat libtommath
+
+src/noux-pkg/tcl:
+	mkdir -p $@/library
+	cp -a $(addprefix $(PORT_DIR)/src/noux-pkg/tcl/,$(TCL_CONTENT)) $@
+	cp -a $(PORT_DIR)/src/noux-pkg/tcl/library/init.tcl $@/library/
+
+src/noux-pkg/tclsh:
+	mkdir -p $@
+	cp -a $(REP_DIR)/src/noux-pkg/tclsh/* $@
+
+LICENSE:
+	cp $(PORT_DIR)/src/noux-pkg/tcl/license.terms $@
+
+include $(REP_DIR)/ports/tcl.port
+
+README:
+	( echo "This archive is a stripped-down version of the Tcl source archive"; \
+	  echo "that merely contains the source codes needed to build tclsh for Genode."; \
+	  echo "For the original source archive, refer to:"; \
+	  echo "${URL(tcl)}" ) > $@
+

repos/ports/recipes/src/tclsh/hash

@@ -0,0 +1 @@
+2018-01-19 6f25b1412da846b21ca863fb51c194bec94bde07

repos/ports/recipes/src/tclsh/used_apis

@@ -0,0 +1,4 @@
+base
+libc
+noux
+posix

repos/ports/src/noux-pkg/tclsh/target.mk

@@ -0,0 +1,47 @@
+PKG_DIR := $(call select_from_ports,tcl)/src/noux-pkg/tcl
+
+MAKE_TARGET := tclsh
+
+#
+# Override default install rules. We just want to keep the 'tclsh' binary.
+#/
+INSTALL_TARGET :=
+
+INSTALL_LIB_DIR := install/lib/tcl8.6
+
+installed.tag:
+	@$(MSG_INST)$(TARGET)
+	$(VERBOSE)mkdir -p install/bin $(INSTALL_LIB_DIR)
+	$(VERBOSE)$(STRIP) tclsh -o install/bin/tclsh
+	$(VERBOSE)cp $(PKG_DIR)/library/init.tcl $(INSTALL_LIB_DIR)
+	@touch $@
+
+include $(call select_from_repositories,mk/noux.mk)
+
+LDFLAGS += -L$(PWD)
+
+CONFIGURE_ARGS += --disable-shared --disable-threads --disable-rpath \
+                  --srcdir $(PKG_DIR)/unix
+
+CONFIGURE_SCRIPT = $(PKG_DIR)/unix/configure
+
+#
+# By default, tclsh is generated with a hidden 'main' symbol, which cannot
+# be found by Genode's dynamic linker. Since this behavior is not configurable,
+# we need to patch the Makefile generated by the configure script.
+#
+tweak_makefile.tag: Makefile
+tweak_makefile.tag:
+	$(VERBOSE)echo "AC_FLAGS += -UMODULE_SCOPE" >> Makefile
+	@touch $@
+built.tag: tweak_makefile.tag
+
+
+Makefile: dummy_libs
+
+.SECONDARY: dummy_libs
+dummy_libs: libdl.a
+
+libdl.a:
+	$(VERBOSE)$(AR) -rc $@
+