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-rw-r--r--build/mozconfig.comm-support49
1 files changed, 49 insertions, 0 deletions
diff --git a/build/mozconfig.comm-support b/build/mozconfig.comm-support
new file mode 100644
index 0000000000..5c7465965f
--- /dev/null
+++ b/build/mozconfig.comm-support
@@ -0,0 +1,49 @@
+# This file exists to support comm-central from building with mozilla-central
+# as a subdirectory to building as a subdirectory of mozilla-central.
+
+# In order to have mozconfig files that support building in either
+# configuration during the transition, without duplicating the logic
+# in every mozconfig file, there needs to exist a file that exists at the
+# same path in mozilla-central and comm-central.
+
+# This file gets included under two circumstances.
+# 1. comm-central is being built as a subdirectory of mozilla-central.
+# 2. comm-central is being built as a parent directory of mozilla-central,
+# but `mach` was invoked from the objdir and thinks that $topsrcdir is
+# the mozilla-central directory. If we detect this is the case, we fix
+# $topsrcdir before proceeding.
+# In either case, we then invoke the identically named file that lives in
+# comm-central, which sets some variables that can be used by the rest of the
+# mozconfig.
+
+
+# Note that the top-level mozconfig file is in $2.
+
+if [ "$(dirname "$2")" = "$topsrcdir" ]; then
+ # No weirdness
+ if [ -d "$topsrcdir/mail" ]; then
+ # Building with comm-central as top-level directory.
+ echo "ERROR: Should not include mozilla/build/mozconfig.comm when building"
+ echo " with comm-central as top-level directory."
+ exit 1
+ elif [ -d "$topsrcdir/comm/mail" ]; then
+ # Building with mozilla-central as top-level directory.
+ . "$topsrcdir/comm/build/mozconfig.comm-support"
+ else
+ echo "ERROR: Unknown build directory layout."
+ exit 1
+ fi
+elif [ "$(dirname "$2")" = "$(dirname "$topsrcdir")" ]; then
+ if [ -d "$topsrcdir/../mail" ]; then
+ # Building with comm-central as top-level directory;
+ # but invoked with $topsrcdir as "mozilla/".
+ topsrcdir=$(dirname "$topsrcdir")
+ . "$topsrcdir/build/mozconfig.comm-support"
+ else
+ echo "ERROR: Unknown build directory layout."
+ exit 1
+ fi
+else
+ echo "ERROR: Unknown build directory layout."
+ exit 1
+fi