--- Makefile	2011-01-28 17:38:56.000000000 +0100
+++ MakefileArchLinux	2016-05-28 05:04:51.416500935 +0200
@@ -271,11 +271,11 @@
 # Just a handy alias:
 install-doc: install-documentation
 
-# Install the data from this package into $prefix/share/$name:
+# Install the data from this package into $prefixInstall/share/$name:
 install-data: main install-data-local
-	@($(call READ_CONFIG, prefix); \
+	@($(call READ_CONFIG, prefixInstall); \
 	$(call READ_META, name); \
-	directory=$$prefix/share/$$name; \
+	directory=$$prefixInstall/share/$$name; \
 	shopt -s nullglob; \
 	if [ -e share ]; then \
 	  dataifany=`ls -d share/*`; \
@@ -343,12 +343,12 @@
 	  echo "We don't have any configuration files to remove."; \
 	fi)
 
-# Remove the data of this package from $prefix/share/$name:
+# Remove the data of this package from $prefixInstall/share/$name:
 uninstall-data: uninstall-data-local
-	@( ($(call READ_CONFIG, prefix); \
+	@( ($(call READ_CONFIG, prefixInstall); \
 	$(call READ_META, name); \
-	directory=$$prefix/share/$$name; \
-	echo "Removing $$name data from $$prefix/share/..."; \
+	directory=$$prefixInstall/share/$$name; \
+	echo "Removing $$name data from $$prefixInstall/share/..."; \
 	shopt -s nullglob; \
 	if rm -rf $$directory; then \
 	  echo "The entire directory $$directory was removed."; \
@@ -386,40 +386,40 @@
 install-programs: programs install-programs-local
 	@($(call READ_CONFIG, prefix); 		     \
 	$(call READ_META, name);   		     \
-	echo "Creating $$prefix/bin/..."; \
-	(mkdir -p $$prefix/bin &> /dev/null || true); \
-	echo "Creating $$prefix/sbin/..."; \
-	(mkdir -p $$prefix/sbin &> /dev/null || true); \
-	echo "Installing programs from $$name into $$prefix/bin/..."; \
+	echo "Creating $$prefixInstall/bin/..."; \
+	(mkdir -p $$prefixInstall/bin &> /dev/null || true); \
+	echo "Creating $$prefixInstall/sbin/..."; \
+	(mkdir -p $$prefixInstall/sbin &> /dev/null || true); \
+	echo "Installing programs from $$name into $$prefixInstall/bin/..."; \
 	shopt -s nullglob; \
 	for file in $(OTHER_PROGRAMS_TO_INSTALL) _build/*.byte _build/*.native; do \
 	  basename=`basename $$file`; \
 	  if echo " $(ROOT_NATIVE_PROGRAMS) $(ROOT_BYTE_PROGRAMS) " | grep -q " $$basename "; then \
-	    echo "Installing "`basename $$file`" as a \"root program\" into $$prefix/sbin..."; \
-	    cp -a $$file $$prefix/sbin/; \
-	    chmod +x $$prefix/sbin/$$basename; \
+	    echo "Installing "`basename $$file`" as a \"root program\" into $$prefixInstall/sbin..."; \
+	    cp -a $$file $$prefixInstall/sbin/; \
+	    chmod +x $$prefixInstall/sbin/$$basename; \
 	  else \
-	    echo "Installing "`basename $$file`" into $$prefix/bin..."; \
-	    cp -a $$file $$prefix/bin/; \
-	    chmod +x $$prefix/bin/$$basename; \
+	    echo "Installing "`basename $$file`" into $$prefixInstall/bin..."; \
+	    cp -a $$file $$prefixInstall/bin/; \
+	    chmod +x $$prefixInstall/bin/$$basename; \
 	  fi; \
 	done) && \
 	echo 'Program installation was successful.'
 
-# Remove the programs from this package from $prefix/bin:
+# Remove the programs from this package from $prefixInstall/bin:
 uninstall-programs: main uninstall-programs-local
-	@($(call READ_CONFIG, prefix); 		     \
+	@($(call READ_CONFIG, prefixInstall); 		     \
 	$(call READ_META, name);   		     \
 	echo "Removing $$name programs..."; \
 	shopt -s nullglob; \
 	for file in $(OTHER_PROGRAMS_TO_INSTALL) _build/*.byte _build/*.native; do \
 	  basename=`basename $$file`; \
 	  if echo " $(ROOT_NATIVE_PROGRAMS) $(ROOT_BYTE_PROGRAMS) " | grep -q " $$basename "; then \
-	    echo -e "Removing the \"root program\" $$basename from $$prefix/sbin..."; \
-	    export pathname=$$prefix/sbin/`basename $$file`; \
+	    echo -e "Removing the \"root program\" $$basename from $$prefixInstall/sbin..."; \
+	    export pathname=$$prefixInstall/sbin/`basename $$file`; \
 	  else \
-	    echo -e "Removing $$basename from $$prefix/bin..."; \
-	    export pathname=$$prefix/bin/`basename $$file`; \
+	    echo -e "Removing $$basename from $$prefixInstall/bin..."; \
+	    export pathname=$$prefixInstall/bin/`basename $$file`; \
 	  fi; \
 	  rm -f $$pathname; \
 	done) && \
@@ -679,14 +679,14 @@
 # $(2),..,$(9) in a file $(1).
 #
 # Example:
-#	$(call SOURCE_AND_TEST,CONFIGME,prefix);
-#	$(call SOURCE_AND_TEST,CONFIGME,prefix,libraryprefix);
+#	$(call SOURCE_AND_TEST,CONFIGME,prefixInstall);
+#	$(call SOURCE_AND_TEST,CONFIGME,prefixInstall,libraryprefix);
 SOURCE_AND_TEST = \
 	if ! source $(1) &> /dev/null; then        		\
 		echo 'Evaluating $(1) failed.';    		\
 		exit 1;                           		\
 	fi;                                        		\
-	for i in $(2) $(3) $(4) $(5) $(6) $(7) $(8) $(9); do 	\
+	for i in $(2) $(3) $(4) $(5) $(6) $(7) $(8) $(9) $(10); do 	\
 		CMD="VAL=$$`echo $$i`"; eval $$CMD;		\
 	 	if test -z "$$VAL"; then                  	\
 			echo "FATAL: $${i} is undefined in $(1)."; 	\
@@ -703,7 +703,7 @@
 #	$(call GREP_AND_TEST,META,name);
 #	$(call GREP_AND_TEST,META,name,version);
 GREP_AND_TEST = \
-	for i in $(2) $(3) $(4) $(5) $(6) $(7) $(8) $(9); do 	\
+	for i in $(2) $(3) $(4) $(5) $(6) $(7) $(8) $(9) $(10); do 	\
 		if ! CMD=`grep "^$$i=" $(1)`; then                 	\
 			echo "FATAL: $$i is undefined in $(1).";	\
 			exit 1;                            		\
@@ -716,10 +716,10 @@
 # if the given names are defined
 #
 # Example:
-# 	$(call READ_CONFIG,prefix,libraryprefix);
+# 	$(call READ_CONFIG,prefixInstall,libraryprefix);
 #
 READ_CONFIG = \
-	$(call SOURCE_AND_TEST,CONFIGME,$(1),$(2),$(3),$(4),$(5),$(6),$(7),$(8),$(9))
+	$(call SOURCE_AND_TEST,CONFIGME,$(1),$(2),$(3),$(4),$(5),$(6),$(7),$(8),$(9), $(10))
 
 # Instance of GREP_AND_TEST: read the file "META" searching for a names
 # for all given names
@@ -728,7 +728,7 @@
 #	$(call READ_META,name,version);
 #
 READ_META = \
-	$(call GREP_AND_TEST,META,$(1),$(2),$(3),$(4),$(5),$(6),$(7),$(8),$(9))
+	$(call GREP_AND_TEST,META,$(1),$(2),$(3),$(4),$(5),$(6),$(7),$(8),$(9), $(10))
 
 # If the value of the 'version' variable contains the substring 'snapshot' then
 # append to its value the current date, in hacker format. 'version' must be already
@@ -758,7 +758,7 @@
 	echo $$sourcedirectories
 	
 # Set the shell variable $(1) as the string obtained by prefixing each token
-# in $(2) with the prefix $(3): for example if the shell variable
+# in $(2) with the prefixInstall $(3): for example if the shell variable
 # 'sourcedirectories' is set to './A ./B' then
 #     $(call ADD_PREFIX_TO_EACH_WORD, includes, $$sourcedirectories, -I)
 # sets the shell variable 'includes' to '-I ./A -I ./B '.
@@ -906,11 +906,12 @@
 meta.ml: META
 	@(echo "Building $@..." && \
 	$(call READ_META, name, version); \
-	$(call READ_CONFIG, prefix, libraryprefix, configurationprefix, documentationprefix localeprefix); \
+	$(call READ_CONFIG, prefix, prefixInstall, libraryprefix, configurationprefix, documentationprefix localeprefix); \
 	echo -e "(* This file is automatically generated; please don't edit it. *)\n" > $@ && \
 	echo -e "let name = \"$$name\";;" >> $@ && \
 	echo -e "let version = \"$$version\";;" >> $@ && \
 	echo -e "let prefix = \"$$prefix\";;" >> $@ && \
+	echo -e "let prefixInstall = \"$$prefixInstall\";;" >> $@ && \
 	echo -e "let libraryprefix = \"$$libraryprefix\";;" >> $@ && \
 	echo -e "let configurationprefix = \"$$configurationprefix\";;" >> $@ && \
 	echo -e "let localeprefix = \"$$localeprefix\";;" >> $@ && \