## texk/am/perl_links.am: Makefile fragment for perl script links.
##
## Copyright (C) 2011 Peter Breitenlohner <tex-live@tug.org>
## You may freely use, modify and/or distribute this file.
##
## requires conditionals WIN32 and WIN32_WRAP
## requires $(scriptsdir): e.g., texmf/scripts/chktex
## requires $(perl_scripts): e.g., deweb
## optional $(shell_scripts): e.g. htlatex
## appends to $(nodist_bin_SCRIPTS)
.PHONY: install-perl-links make-perl-links \
	install-shell-links make-shell-links uninstall-links

all_scripts = $(perl_scripts) $(shell_scripts)

if WIN32
if WIN32_WRAP
## We treat the WIN32 wrappers as SCRIPTS to avoid automatic build rules
wrappers = $(all_scripts:=.exe)
nodist_bin_SCRIPTS += $(wrappers)
runscript = $(top_srcdir)/../../texk/texlive/w32_wrapper/runscript.exe
$(wrappers): $(runscript)
	$(LN_S) $(runscript) $@
endif WIN32_WRAP
endif WIN32

# We support both multiplatform and non-multiplatform builds.
install-perl-links:
if !WIN32
	case "$(bindir)" in \
	  */bin) $(MAKE) $(AM_MAKEFLAGS) REL=.. make-perl-links;; \
	  */bin/*) $(MAKE) $(AM_MAKEFLAGS) REL=../.. make-perl-links;; \
	  *) echo "strange directory '$(bindir)' for linked scripts" >&2; \
	     exit 1;; \
	esac
endif !WIN32

install-shell-links:
if !WIN32
	case "$(bindir)" in \
	  */bin) $(MAKE) $(AM_MAKEFLAGS) REL=.. make-shell-links;; \
	  */bin/*) $(MAKE) $(AM_MAKEFLAGS) REL=../.. make-shell-links;; \
	  *) echo "strange directory '$(bindir)' for linked scripts" >&2; \
	     exit 1;; \
	esac
endif !WIN32

make-perl-links:
	@cd $(DESTDIR)$(bindir) && \
	  for f in $(perl_scripts); do \
	    rm -f $$f; \
	    echo "creating link '$$f' -> '$(REL)/$(scriptsdir)/$$f.pl'"; \
	    $(LN_S) $(REL)/$(scriptsdir)/$$f.pl $$f || exit 1; \
	  done  

make-shell-links:
	@cd $(DESTDIR)$(bindir) && \
	  for f in $(shell_scripts); do \
	    rm -f $$f; \
	    echo "creating link '$$f' -> '$(REL)/$(scriptsdir)/$$f.sh'"; \
	    $(LN_S) $(REL)/$(scriptsdir)/$$f.sh $$f || exit 1; \
	  done

uninstall-links:
if !WIN32
	@for f in $(all_scripts); do \
	  echo "rm -f '$(DESTDIR)$(bindir)/$$f'"; \
	  rm -f "$(DESTDIR)$(bindir)/$$f"; \
	done
endif !WIN32