GHC new build system megapatch

[ghc-hetmet.git] / rules / shell-wrapper.mk

diff --git a/rules/shell-wrapper.mk b/rules/shell-wrapper.mk
new file mode 100644 (file)
index 0000000..a2aca45
--- /dev/null
+++ b/rules/shell-wrapper.mk
@@ -0,0 +1,63 @@
+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)
+       $$(RM) -f                                         $$@
+       echo '#!$$(SHELL)'                             >> $$@
+       echo 'executablename=$$(TOP)/$$<'  >> $$@
+       echo 'datadir=$$(TOP)/$$(INPLACE_LIB)' >> $$@
+       echo 'bindir=$$(TOP)/$$(INPLACE_BIN)'  >> $$@
+       cat $$($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)/$$($1_$2_INSTALL_SHELL_WRAPPER_NAME)
+install_$1_$2_wrapper:
+       $$(MKDIRHIER) $$(DESTDIR)$$(bindir)
+       $$(RM) -f                                      $$(WRAPPER)
+       echo '#!$$(SHELL)'                          >> $$(WRAPPER)
+       echo 'executablename=$$(libexecdir)/$$($1_$2_PROG)' >> $$(WRAPPER)
+       echo 'datadir=$$(datadir)'                  >> $$(WRAPPER)
+       echo 'bindir=$$(bindir)'                    >> $$(WRAPPER)
+       cat $$($1_$2_SHELL_WRAPPER_NAME)            >> $$(WRAPPER)
+       $$(EXECUTABLE_FILE)                            $$(WRAPPER)
+
+endif # $1_$2_INSTALL_SHELL_WRAPPER
+
+endif
+
+endif # $1_$2_SHELL_WRAPPER
+
+endef