Install M2-language-server manpage (autotools)

Author: d-torrance

M2/Macaulay2/packages/Makefile.in

@@ -113,11 +113,17 @@ $(foreach i, $(patsubst Style,,$(ALL_PACKAGES)), $(eval @pre_libm2dir@/$i/.insta
 $(foreach i, $(patsubst FirstPackage,,$(patsubst Style,,$(ALL_PACKAGES))), $(eval @pre_libm2dir@/$i/.installed: | @pre_libm2dir@/FirstPackage/.installed))
 $(foreach i, $(patsubst Macaulay2Doc,,$(patsubst FirstPackage,,$(patsubst Style,,$(ALL_PACKAGES)))), $(eval @pre_libm2dir@/$i/.installed: | @pre_libm2dir@/Macaulay2Doc/.installed))
 
-all: @pre_bindir@/M2-language-server
+all: @pre_bindir@/M2-language-server @pre_mandir@/man1/M2-language-server.1
 
 @pre_bindir@/M2-language-server: LanguageServer/M2-language-server
 	cp $< $@
 
+@pre_mandir@/man1/M2-language-server.1: LanguageServer/M2-language-server.1 | @pre_mandir@/man1
+	@INSTALL_DATA@ $< $@
+
+@pre_mandir@/man1:
+	@INSTALL@ -d $@
+
 # the Info-validate function doesn't work well enough to be useful:
 # check::check-info