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-rw-r--r--GNUmakefile.mk4
1 files changed, 4 insertions, 0 deletions
diff --git a/GNUmakefile.mk b/GNUmakefile.mk
index d8bdd13db0f0..fd53e09e2dda 100644
--- a/GNUmakefile.mk
+++ b/GNUmakefile.mk
@@ -25,6 +25,10 @@
#
#*************************************************************************
+ifeq ($(strip $(SOLARENV)),)
+$(error No environment set!)
+endif
+
GBUILDDIR := $(SOLARENV)/gbuild
include $(dir $(lastword $(MAKEFILE_LIST)))/SourcePath.mk
include $(GBUILDDIR)/gbuild.mk