Use single quotes in preference to double quotes for protecting pathnames.

Per recommendation from Peter.  Neither choice is bulletproof, but this
is the existing style and it does help prevent unexpected environment
variable substitution.

src/Makefile.global.in

@@ -263,7 +263,7 @@ X = @EXEEXT@
 
 ifneq (@PERL@,)
     # quoted to protect pathname with spaces
-    PERL		= "@PERL@"
+    PERL		= '@PERL@'
 else
     PERL		= $(missing) perl
 endif
@@ -437,7 +437,7 @@ endif
 pg_regress_locale_flags = $(if $(ENCODING),--encoding=$(ENCODING)) $(NOLOCALE)
 
 pg_regress_check = $(top_builddir)/src/test/regress/pg_regress --inputdir=$(srcdir) --temp-install=./tmp_check --top-builddir=$(top_builddir) $(pg_regress_locale_flags)
-pg_regress_installcheck = $(top_builddir)/src/test/regress/pg_regress --inputdir=$(srcdir) --psqldir="$(PSQLDIR)" $(pg_regress_locale_flags)
+pg_regress_installcheck = $(top_builddir)/src/test/regress/pg_regress --inputdir=$(srcdir) --psqldir='$(PSQLDIR)' $(pg_regress_locale_flags)
 
 pg_regress_clean_files = results/ regression.diffs regression.out tmp_check/ log/
 

src/Makefile.shlib

@@ -130,7 +130,7 @@ ifeq ($(PORTNAME), darwin)
     ifneq ($(SO_MAJOR_VERSION), 0)
       version_link	= -compatibility_version $(SO_MAJOR_VERSION) -current_version $(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)
     endif
-    LINK.shared		= $(COMPILER) -dynamiclib -install_name "$(libdir)/lib$(NAME).$(SO_MAJOR_VERSION)$(DLSUFFIX)" $(version_link) $(exported_symbols_list) -multiply_defined suppress
+    LINK.shared		= $(COMPILER) -dynamiclib -install_name '$(libdir)/lib$(NAME).$(SO_MAJOR_VERSION)$(DLSUFFIX)' $(version_link) $(exported_symbols_list) -multiply_defined suppress
     shlib		= lib$(NAME).$(SO_MAJOR_VERSION).$(SO_MINOR_VERSION)$(DLSUFFIX)
     shlib_major		= lib$(NAME).$(SO_MAJOR_VERSION)$(DLSUFFIX)
   else

src/backend/Makefile

@@ -164,27 +164,27 @@ utils/probes.h: utils/probes.d
 # For headers generated during regular builds, we prefer a relative symlink.
 
 $(top_builddir)/src/include/parser/gram.h: parser/gram.h
-	prereqdir=`cd $(dir $<) >/dev/null && pwd` && \
+	prereqdir=`cd '$(dir $<)' >/dev/null && pwd` && \
-	  cd $(dir $@) && rm -f $(notdir $@) && \
+	  cd '$(dir $@)' && rm -f $(notdir $@) && \
 	  $(LN_S) "$$prereqdir/$(notdir $<)" .
 
 $(top_builddir)/src/include/catalog/schemapg.h: catalog/schemapg.h
-	prereqdir=`cd $(dir $<) >/dev/null && pwd` && \
+	prereqdir=`cd '$(dir $<)' >/dev/null && pwd` && \
-	  cd $(dir $@) && rm -f $(notdir $@) && \
+	  cd '$(dir $@)' && rm -f $(notdir $@) && \
 	  $(LN_S) "$$prereqdir/$(notdir $<)" .
 
 $(top_builddir)/src/include/utils/errcodes.h: utils/errcodes.h
-	cd $(dir $@) && rm -f $(notdir $@) && \
+	cd '$(dir $@)' && rm -f $(notdir $@) && \
-	    $(LN_S) ../../../$(subdir)/utils/errcodes.h .
+	    $(LN_S) "../../../$(subdir)/utils/errcodes.h" .
 
 $(top_builddir)/src/include/utils/fmgroids.h: utils/fmgroids.h
-	prereqdir=`cd $(dir $<) >/dev/null && pwd` && \
+	prereqdir=`cd '$(dir $<)' >/dev/null && pwd` && \
-	  cd $(dir $@) && rm -f $(notdir $@) && \
+	  cd '$(dir $@)' && rm -f $(notdir $@) && \
 	  $(LN_S) "$$prereqdir/$(notdir $<)" .
 
 $(top_builddir)/src/include/utils/probes.h: utils/probes.h
-	cd $(dir $@) && rm -f $(notdir $@) && \
+	cd '$(dir $@)' && rm -f $(notdir $@) && \
-	    $(LN_S) ../../../$(subdir)/utils/probes.h .
+	    $(LN_S) "../../../$(subdir)/utils/probes.h" .
 
 
 utils/probes.o: utils/probes.d $(SUBDIROBJS)

src/interfaces/ecpg/test/Makefile

@@ -5,8 +5,8 @@ top_builddir = ../../../..
 include $(top_builddir)/src/Makefile.global
 
 override CPPFLAGS := \
-	-I$(top_builddir)/src/port \
+	'-I$(top_builddir)/src/port' \
-	-I$(top_srcdir)/src/test/regress \
+	'-I$(top_srcdir)/src/test/regress' \
 	'-DHOST_TUPLE="$(host_tuple)"' \
 	'-DMAKEPROG="$(MAKE)"' \
 	'-DSHELLPROG="$(SHELL)"' \
@@ -84,4 +84,4 @@ checktcp: all
 	./pg_regress  --dbname=regress1,connectdb --top-builddir=$(top_builddir) --temp-install=./tmp_check $(pg_regress_locale_flags) $(THREAD) --schedule=$(srcdir)/ecpg_schedule_tcp --create-role=connectuser,connectdb --host=localhost
 
 installcheck: all
-	./pg_regress  --psqldir="$(PSQLDIR)" --dbname=regress1,connectdb --top-builddir=$(top_builddir) $(pg_regress_locale_flags) $(THREAD) --schedule=$(srcdir)/ecpg_schedule --create-role=connectuser,connectdb
+	./pg_regress  --psqldir='$(PSQLDIR)' --dbname=regress1,connectdb --top-builddir=$(top_builddir) $(pg_regress_locale_flags) $(THREAD) --schedule=$(srcdir)/ecpg_schedule --create-role=connectuser,connectdb

src/makefiles/Makefile.aix

@@ -9,9 +9,9 @@ AROPT = crs
 libpath := $(shell echo $(subst -L,:,$(filter -L/%,$(LDFLAGS))) | sed -e's/ //g'):/usr/lib:/lib
 
 ifeq ($(host_os), aix3.2.5)
-	rpath = -L$(rpathdir)
+	rpath = -L'$(rpathdir)'
 else
-	rpath = -Wl,-blibpath:$(rpathdir)$(libpath)
+	rpath = -Wl,-blibpath:'$(rpathdir)$(libpath)'
 endif
 
 DLSUFFIX = .so

src/test/isolation/Makefile

@@ -73,7 +73,7 @@ maintainer-clean: distclean
 	rm -f specparse.c specscanner.c
 
 installcheck: all
-	./pg_isolation_regress --psqldir="$(PSQLDIR)" --inputdir=$(srcdir) --schedule=$(srcdir)/isolation_schedule
+	./pg_isolation_regress --psqldir='$(PSQLDIR)' --inputdir=$(srcdir) --schedule=$(srcdir)/isolation_schedule
 
 # We can't support "make check" because isolationtester requires libpq, and
 # in fact (on typical platforms using shared libraries) requires libpq to