Get rid of gmake-ism ifeq

build/build.mk

@@ -2,13 +2,14 @@ depcomp = /bin/sh $(top_srcdir)/build/autotools/depcomp
 
 %.o: %.c $(top_srcdir)/src/stringfix $(top_srcdir)/build/cc1plus
 	@echo -e "Compiling: \033[1m$*\033[0m"
-ifeq ($(CCDEPMODE),gcc3)
-	if STRINGFIX='$(top_srcdir)/$(STRINGFIX)' $(CXX) -MT '$@' -MD -MP -MF '.deps/$*.TPo' -DSTRINGFIX=$(STRINGFIX) -B$(top_srcdir)/build $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@; then \
-	mv '.deps/$*.TPo' '.deps/$*.Po'; \
-	else rm -f '.deps/$*.Tpo'; exit 1; \
+	if [ "$(CCDEPMODE)" = "gcc3" ]; then \
+	  if STRINGFIX='$(top_srcdir)/$(STRINGFIX)' $(CXX) -MT '$@' -MD -MP -MF '.deps/$*.TPo' -DSTRINGFIX=$(STRINGFIX) -B$(top_srcdir)/build $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@; then \
+	    mv '.deps/$*.TPo' '.deps/$*.Po'; \
+	  else \
+	    rm -f '.deps/$*.Tpo'; \
+	    exit 1; \
+	  fi; \
+	else \
+	  STRINGFIX="$(top_srcdir)/$(STRINGFIX)" libtool=no source='$<' object='$@' depfile='.deps/$*.Po' tmpdepfile='.deps/$*.TPo' depmode=$(CCDEPMODE) $(depcomp) \
+	  $(CXX) -DSTRINGFIX=$(STRINGFIX) -B$(top_srcdir)/build $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@; \
 	fi
-else
-	# STRINGFIX included after CXX for ccache to recognize
-	STRINGFIX="$(top_srcdir)/$(STRINGFIX)" libtool=no source='$<' object='$@' depfile='.deps/$*.Po' tmpdepfile='.deps/$*.TPo' depmode=$(CCDEPMODE) $(depcomp) \
-	$(CXX) -DSTRINGFIX=$(STRINGFIX) -B$(top_srcdir)/build $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@
-endif