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# -----------------------------------------------------------------------------
#
# (c) 2009 The University of Glasgow
#
# This file is part of the GHC build system.
#
# To understand how the build system works and how to modify it, see
# http://hackage.haskell.org/trac/ghc/wiki/Building/Architecture
# http://hackage.haskell.org/trac/ghc/wiki/Building/Modifying
#
# -----------------------------------------------------------------------------
define shell-wrapper
# $1 = dir
# $2 = distdir
ifeq "$$($1_$2_SHELL_WRAPPER)" "YES"
ifeq "$$(Windows)" "YES"
ifeq "$$($1_$2_INSTALL_SHELL_WRAPPER)" "YES"
# Just install the binary on Windows
$1_$2_INSTALL = YES
endif
else
ifeq "$$($1_$2_SHELL_WRAPPER_NAME)" ""
$1_$2_SHELL_WRAPPER_NAME = $1/$$($1_$2_PROG).wrapper
endif
ifneq "$$($1_$2_INSTALL_INPLACE)" "NO"
all_$1_$2 : $$(INPLACE_BIN)/$$($1_$2_PROG)
$$(INPLACE_BIN)/$$($1_$2_PROG): $$($1_$2_INPLACE)
"$$(RM)" $$(RM_OPTS) $$@
echo '#!$$(SHELL)' >> $$@
echo 'executablename=$$(TOP)/$$<' >> $$@
echo 'datadir=$$(TOP)/$$(INPLACE_LIB)' >> $$@
echo 'bindir=$$(TOP)/$$(INPLACE_BIN)' >> $$@
echo 'topdir=$$(TOP)/$$(INPLACE_TOPDIR)' >> $$@
cat $$($1_$2_SHELL_WRAPPER_NAME) >> $$@
$$(EXECUTABLE_FILE) $$@
endif
ifeq "$$($1_$2_INSTALL_SHELL_WRAPPER)" "YES"
ifeq "$$($1_$2_INSTALL_SHELL_WRAPPER_NAME)" ""
$1_$2_INSTALL_SHELL_WRAPPER_NAME = $$($1_$2_PROG)
endif
# Install the binary in $(libexecdir), and install a shell wrapper in $(bindir)
INSTALL_LIBEXECS += $1/$2/build/tmp/$$($1_$2_PROG)
BINDIST_WRAPPERS += $$($1_$2_SHELL_WRAPPER_NAME)
install: install_$1_$2_wrapper
.PHONY: install_$1_$2_wrapper
install_$1_$2_wrapper: WRAPPER=$$(DESTDIR)$$(bindir)/$$($1_$2_INSTALL_SHELL_WRAPPER_NAME)
install_$1_$2_wrapper:
$$(INSTALL_DIR) $$(DESTDIR)$$(bindir)
"$$(RM)" $$(RM_OPTS) $$(WRAPPER)
$$(CREATE_SCRIPT) $$(WRAPPER)
echo '#!$$(SHELL)' >> $$(WRAPPER)
echo 'executablename=$$(ghclibexecdir)/$$($1_$2_PROG)' >> $$(WRAPPER)
echo 'datadir=$$(datadir)' >> $$(WRAPPER)
echo 'bindir=$$(bindir)' >> $$(WRAPPER)
echo 'topdir=$$(topdir)' >> $$(WRAPPER)
cat $$($1_$2_SHELL_WRAPPER_NAME) >> $$(WRAPPER)
$$(EXECUTABLE_FILE) $$(WRAPPER)
endif # $1_$2_INSTALL_SHELL_WRAPPER
endif
endif # $1_$2_SHELL_WRAPPER
endef
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