From: "Eugene V. Lyubimkin" <jackyf@debian.org>
Date: Sat, 20 Feb 2016 18:20:25 +0100
Subject: 930-use-shell-make-variable

Use shell MAKE variable to allow parallel builds.
---
 Makefile               | 6 +++---
 fbreader/Makefile      | 4 ++--
 zlibrary/core/Makefile | 2 +-
 zlibrary/text/Makefile | 2 +-
 zlibrary/ui/Makefile   | 6 +++---
 5 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/Makefile b/Makefile
index 1c99c2e..df3706f 100644
--- a/Makefile
+++ b/Makefile
@@ -21,21 +21,21 @@ install: all do_install
 do_install:
 	@for dir in $(ZLIBDIRS) $(APPDIRS); do \
 		if [ -d $$dir ]; then \
-			cd $$dir; make $@; cd $(ROOTDIR); \
+			cd $$dir; $(MAKE) $@; cd $(ROOTDIR); \
 		fi; \
 	done
 
 do_install_dev:
 	@for dir in $(ZLIBDIRS); do \
 		if [ -d $$dir ]; then \
-			cd $$dir; make $@; cd $(ROOTDIR); \
+			cd $$dir; $(MAKE) $@; cd $(ROOTDIR); \
 		fi; \
 	done
 
 clean:
 	@for dir in $(ZLIBDIRS) $(APPDIRS); do \
 		if [ -d $$dir ]; then \
-			cd $$dir; make $@; cd $(ROOTDIR); \
+			cd $$dir; $(MAKE) $@; cd $(ROOTDIR); \
 		fi; \
 	done
 
diff --git a/fbreader/Makefile b/fbreader/Makefile
index 0a3e6ea..6efc10b 100644
--- a/fbreader/Makefile
+++ b/fbreader/Makefile
@@ -61,13 +61,13 @@ do_install:
 	@install -m 0644 $(wildcard data/icons/toolbar/$(VARIANT)/*.*) $(DESTDIR)$(APPIMAGEDIR_REAL)
 	@install -m 0644 $(wildcard data/icons/filetree/$(VARIANT)/*.*) $(DESTDIR)$(APPIMAGEDIR_REAL)
 	@install -m 0644 $(wildcard data/icons/booktree/new/*.*) $(DESTDIR)$(APPIMAGEDIR_REAL)
-	@make -C $(TARGET_ARCH) RESOLUTION=$(RESOLUTION) install
+	@$(MAKE) -C $(TARGET_ARCH) RESOLUTION=$(RESOLUTION) install
 
 clean:
 	@for subdir in $(ALL_SUBDIRS); do \
 		$(MAKE) -C $$subdir -f $(MAKEFILESDIR)/subdir.mk clean; \
 	done;
 	@for subdir in $(ALL_ARCHSUBDIRS); do \
-		cd $$subdir; make clean; cd ..; \
+		cd $$subdir; $(MAKE) clean; cd ..; \
 	done;
 	@$(RM) $(TARGET) err
diff --git a/zlibrary/core/Makefile b/zlibrary/core/Makefile
index 7cb359b..a0e7735 100644
--- a/zlibrary/core/Makefile
+++ b/zlibrary/core/Makefile
@@ -38,7 +38,7 @@ else
 endif
 
 .objects:
-	@for subdir in $(SUBDIRS); do \
+	+@for subdir in $(SUBDIRS); do \
 		if [ -d $$subdir ]; then \
 			if ! $(LIBMAKE) -C $$subdir -f $(MAKEFILESDIR)/subdir.mk; then \
 				exit 1; \
diff --git a/zlibrary/text/Makefile b/zlibrary/text/Makefile
index 021e71e..551308e 100644
--- a/zlibrary/text/Makefile
+++ b/zlibrary/text/Makefile
@@ -22,7 +22,7 @@ endif
 SUBDIRS = src/model src/area src/view src/style src/styleOptions src/hyphenation
 
 .objects:
-	@for subdir in $(SUBDIRS); do \
+	+@for subdir in $(SUBDIRS); do \
 		if [ -d $$subdir ]; then \
 			if ! $(LIBMAKE) -C $$subdir -f $(MAKEFILESDIR)/subdir.mk; then \
 				exit 1; \
diff --git a/zlibrary/ui/Makefile b/zlibrary/ui/Makefile
index 83cb042..59fdcf0 100644
--- a/zlibrary/ui/Makefile
+++ b/zlibrary/ui/Makefile
@@ -84,21 +84,21 @@ ifeq "$(UI_TYPE)" "win32"
 endif
 
 .objects:
-	@for subdir in $(SUBDIRS); do \
+	+@for subdir in $(SUBDIRS); do \
 		if [ -d $$subdir ]; then \
 			if ! $(LIBMAKE) -C $$subdir -f $(MAKEFILESDIR)/subdir.mk; then \
 				exit 1; \
 			fi; \
 		fi; \
 	done;
-	@for subdir in $(QTSUBDIRS); do \
+	+@for subdir in $(QTSUBDIRS); do \
 		if [ -d $$subdir ]; then \
 			if ! $(LIBMAKE) -C $$subdir -f $(MAKEFILESDIR)/qsubdir.mk; then \
 				exit 1; \
 			fi; \
 		fi; \
 	done;
-	@for subdir in $(GTKSUBDIRS); do \
+	+@for subdir in $(GTKSUBDIRS); do \
 		if [ -d $$subdir ]; then \
 			if ! $(LIBMAKE) -C $$subdir -f $(MAKEFILESDIR)/gtksubdir.mk; then \
 				exit 1; \