This build of Minefield for OS/2 was made from code in mozilla-central dated
2009-08-03 12:33:33 PDT (changeset 7fb86c108ae7).

But the build could only be completed (with GCC 4.0.0-20090426) by adding one
extra patch (without bug reference). To make about:buildconfig give the correct
ID, a second patch was applied.

See all patches against mozilla-central below.

================================================================================
Bug 509188 - Build break in nsCanvasRenderingContext2D.cpp

diff --git a/content/canvas/src/nsCanvasRenderingContext2D.cpp b/content/canvas/src/nsCanvasRenderingContext2D.cpp
--- a/content/canvas/src/nsCanvasRenderingContext2D.cpp
+++ b/content/canvas/src/nsCanvasRenderingContext2D.cpp
@@ -3529,7 +3529,7 @@
                                 JSUint8 *dest);
 }
 
-static inline PRUint8 ToUint8(PRInt32 aInput)
+static inline PRUint8 ToUint8(jsint aInput)
 {
     if (PRUint32(aInput) > 255)
         return (aInput < 0) ? 0 : 255;
No Bug: extra patches are necessary and mess with the visible Hg ID in about:buildconfig. Change the relevant Makefiles to use the qparent revision to get a "real" (public) Hg ID into the package.

diff --git a/browser/app/Makefile.in b/browser/app/Makefile.in
--- a/browser/app/Makefile.in
+++ b/browser/app/Makefile.in
@@ -69,7 +69,7 @@
 
 DEFINES += -DGRE_MILESTONE=$(GRE_MILESTONE) -DGRE_BUILDID=$(GRE_BUILDID)
 
-SOURCE_STAMP := $(shell cd $(topsrcdir) ; hg identify 2>/dev/null | cut -f1 -d' ')
+SOURCE_STAMP := $(shell cd $(topsrcdir) ; hg identify -r qparent 2>/dev/null | cut -f1 -d' ')
 ifdef SOURCE_STAMP
 DEFINES += -DMOZ_SOURCE_STAMP="$(SOURCE_STAMP)"
 endif
diff --git a/toolkit/content/Makefile.in b/toolkit/content/Makefile.in
--- a/toolkit/content/Makefile.in
+++ b/toolkit/content/Makefile.in
@@ -58,7 +58,7 @@
   -DCPPFLAGS="$(CPPFLAGS)" \
   $(NULL)
 
-CHANGESET := $(shell cd $(topsrcdir) && hg identify 2>/dev/null | cut -f1 -d' ')
+CHANGESET := $(shell cd $(topsrcdir) && hg identify -r qparent 2>/dev/null | cut -f1 -d' ')
 ifdef CHANGESET
 DEFINES += -DSOURCE_CHANGESET="$(CHANGESET)"
 endif
diff --git a/toolkit/xre/Makefile.in b/toolkit/xre/Makefile.in
--- a/toolkit/xre/Makefile.in
+++ b/toolkit/xre/Makefile.in
@@ -254,7 +254,7 @@
 endif
 endif
 
-SOURCE_STAMP := $(shell cd $(topsrcdir) && hg identify 2>/dev/null | cut -f1 -d' ')
+SOURCE_STAMP := $(shell cd $(topsrcdir) && hg identify -r qparent 2>/dev/null | cut -f1 -d' ')
 # strip a trailing slash from the repo URL because it's not always present,
 # and we want to construct a working URL in buildconfig.html
 # make+shell+sed = awful