BuildSystem: make package step depend on POSTEXES

The POSTEXE stages might add more stuff to the package contents,
so ensure they have completed before starting to package things up.

frontends/amiga/Makefile

@@ -80,7 +80,7 @@ AMIGA_DISTRIBUTION_FILES := $(FRONTEND_SOURCE_DIR)/dist/*
 AMIGA_PKG_DIR := $(FRONTEND_SOURCE_DIR)/pkg
 AMIGA_INSTALL_TARGET_DIR := NetSurf_Amiga
 
-netsurf.lha: $(EXETARGET)
+netsurf.lha: $(EXETARGET) $(POSTEXES)
 	$(VQ)echo Creating netsurf.lha
 	$(Q)rm -rf $(AMIGA_INSTALL_TARGET_DIR)
 	$(Q)$(MKDIR) -p $(AMIGA_INSTALL_TARGET_DIR)/NetSurf

frontends/atari/Makefile

@@ -161,7 +161,7 @@ $(ATARI_FONT_TMP_DIR)$(ATARI_FONT_NAME):
 package-atari: $(ATARI_FONT_TMP_DIR)$(ATARI_FONT_NAME) $(PKGNAME)
 	$(VQ)echo Creating $(PKGNAME)
 
-$(PKGNAME): $(EXETARGET)
+$(PKGNAME): $(EXETARGET) $(POSTEXES)
 ifneq ($(strip $(STRIP)),)
 	$(Q)echo Stripping symbols from $(EXETARGET) with $(STRIP)
 	$(Q)$(STRIP) $(EXETARGET)

frontends/beos/Makefile

@@ -151,7 +151,7 @@ install-beos:
 package-beos: $(PKGNAME)
 	$(VQ)echo Creating $(PKGNAME)
 
-$(PKGNAME): $(EXETARGET)
+$(PKGNAME): $(EXETARGET) $(POSTEXES)
 	$(Q)rm -rf $(HAIKU_TARGET_DIR)
 	$(Q)rm -rf $(PKGNAME)
 	$(Q)$(MKDIR) $(HAIKU_TARGET_DIR)

frontends/riscos/Makefile

@@ -174,7 +174,7 @@ install-riscos:
 
 package-riscos: netsurf.zip
 
-netsurf.zip: $(EXETARGET)
+netsurf.zip: $(EXETARGET) $(POSTEXES)
 	$(eval $@_TMPDIR := $(shell mktemp -d))
 	$(Q) $(RM) $@
 	$(Q) cp -rLvp $(FRONTEND_SOURCE_DIR)/appdir $($@_TMPDIR)/!NetSurf

frontends/windows/Makefile

@@ -90,7 +90,7 @@ $(OBJROOT)/messages-en: $(MESSAGES_TARGET)/en/Messages
 	$(VQ)echo "   MSGCP: $< $@"
 	$(Q)$(INSTALL) -m 644 -T $< $@
 
-netsurf-installer.exe: $(EXETARGET) $(WIN_RES_INS_OBJ)
+netsurf-installer.exe: $(EXETARGET) $(POSTEXES) $(WIN_RES_INS_OBJ)
 	$(VQ)echo "MAKENSIS: $@"
 	$(Q)makensis -V$(NSIS_VERBOSE) -NOCD -DOBJROOT=$(OBJROOT) -DRESDIR=$(FRONTEND_RESOURCES_DIR) -DVERSIONMAJOR=$(VERSION_MAJ) -DVERSIONMINOR=$(VERSION_MIN) -DOUTFNAME=$@ $(FRONTEND_RESOURCES_DIR)/installer.nsi