Bug 105271: compile source files with absolute pathnames so that the

debuggers can find them automatically.  Currently enabled on Windows and
OS/2 only.  The patch is contributed by Julien Pierre.  r=wtc.

1 files changed, 30 insertions, 4 deletions

diff --git a/config/rules.mk b/config/rules.mk
index 3cecd88d..7d8a7aef 100644
--- a/config/rules.mk
+++ b/config/rules.mk
@@ -379,17 +379,39 @@ ifeq ($(OS_ARCH),SunOS)
 	sed -e 's,;+,,' -e 's; DATA ;;' -e 's,;;,,' -e 's,;.*,;,' > $@
 endif
 
+#
+# Translate source filenames to absolute paths. This is required for
+# debuggers under Windows and OS/2 to find source files automatically.
+#
+
+ifeq ($(OS_ARCH),OS2)
+NEED_ABSOLUTE_PATH = 1
+endif
+
+ifeq ($(NS_USE_GCC)_$(OS_ARCH),_WINNT)
+NEED_ABSOLUTE_PATH = 1
+endif
+
+ifdef NEED_ABSOLUTE_PATH
+PWD := $(shell pwd)
+abspath = $(if $(findstring :,$(1)),$(1),$(if $(filter /%,$(1)),$(1),$(PWD)/$(1)))
+endif
+
 $(OBJDIR)/%.$(OBJ_SUFFIX): %.cpp
 	@$(MAKE_OBJDIR)
 ifeq ($(NS_USE_GCC)_$(OS_ARCH),_WINNT)
-	$(CCC) -Fo$@ -c $(CCCFLAGS) $<
+	$(CCC) -Fo$@ -c $(CCCFLAGS) $(call abspath,$<)
 else
 ifeq ($(MOZ_OS2_TOOLS),VACPP)
-	$(CCC) -Fo$@ -c $(CCCFLAGS) $<
+	$(CCC) -Fo$@ -c $(CCCFLAGS) $(call abspath,$<)
+else
+ifdef NEED_ABSOLUTE_PATH
+	$(CCC) -o $@ -c $(CCCFLAGS) $(call abspath,$<)
 else
 	$(CCC) -o $@ -c $(CCCFLAGS) $<
 endif
 endif
+endif
 
 WCCFLAGS1 = $(subst /,\\,$(CFLAGS))
 WCCFLAGS2 = $(subst -I,-i=,$(WCCFLAGS1))
@@ -397,14 +419,18 @@ WCCFLAGS3 = $(subst -D,-d,$(WCCFLAGS2))
 $(OBJDIR)/%.$(OBJ_SUFFIX): %.c
 	@$(MAKE_OBJDIR)
 ifeq ($(NS_USE_GCC)_$(OS_ARCH),_WINNT)
-	$(CC) -Fo$@ -c $(CFLAGS) $<
+	$(CC) -Fo$@ -c $(CFLAGS) $(call abspath,$<)
 else
 ifeq ($(MOZ_OS2_TOOLS),VACPP)
-	$(CC) -Fo$@ -c $(CFLAGS) $<
+	$(CC) -Fo$@ -c $(CFLAGS) $(call abspath,$<)
+else
+ifdef NEED_ABSOLUTE_PATH
+	$(CC) -o $@ -c $(CFLAGS) $(call abspath,$<)
 else
 	$(CC) -o $@ -c $(CFLAGS) $<
 endif
 endif
+endif
 
 
 $(OBJDIR)/%.$(OBJ_SUFFIX): %.s