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-rw-r--r--config/baseconfig.mk16
1 files changed, 16 insertions, 0 deletions
diff --git a/config/baseconfig.mk b/config/baseconfig.mk
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index 000000000..ffc2e081d
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+++ b/config/baseconfig.mk
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+# This file is normally included by autoconf.mk, but it is also used
+# directly in python/mozbuild/mozbuild/base.py for gmake validation.
+# We thus use INCLUDED_AUTOCONF_MK to enable/disable some parts depending
+# whether a normal build is happening or whether the check is running.
+
+# When mach wants to know if we're to use mozmake, it runs:
+# make -f topsrcdir/config/baseconfig.mk
+# The first word of MAKEFILE_LIST is the main file we're running. Grabbing the
+# parent of that directory therefore gets us the topsrcdir of comm-central,
+# whence we get the mozilla directory to run the "real" baseconfig.mk logic.
+ifndef INCLUDED_AUTOCONF_MK
+topsrcdir := $(dir $(firstword $(MAKEFILE_LIST)))..
+endif
+
+MOZILLA_SRCDIR = $(topsrcdir)/platform
+include $(MOZILLA_SRCDIR)/config/baseconfig.mk