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-rw-r--r--Makefile15
1 files changed, 15 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index dbb759dd5fc..7dad07b6f05 100644
--- a/Makefile
+++ b/Makefile
@@ -168,6 +168,15 @@ install-clang: install
install-clang-c: install
install-libs: install
+# If SHOW_DIAGNOSTICS is enabled, clear the diagnostics file first.
+ifeq ($(SHOW_DIAGNOSTICS),1)
+clean-diagnostics:
+ $(Verb) rm -f $(LLVM_OBJ_ROOT)/$(BuildMode)/diags
+.PHONY: clean-diagnostics
+
+all-local:: clean-diagnostics
+endif
+
#------------------------------------------------------------------------
# Make sure the generated headers are up-to-date. This must be kept in
# sync with the AC_CONFIG_HEADER invocations in autoconf/configure.ac
@@ -198,6 +207,12 @@ ifneq ($(ENABLE_OPTIMIZED),1)
$(Echo) '*****' optimized build. Use 'make ENABLE_OPTIMIZED=1' to
$(Echo) '*****' make an optimized build. Alternatively you can
$(Echo) '*****' configure with --enable-optimized.
+ifeq ($(SHOW_DIAGNOSTICS),1)
+ $(Verb) if test -s $(LLVM_OBJ_ROOT)/$(BuildMode)/diags; then \
+ $(LLVM_SRC_ROOT)/utils/show-diagnostics \
+ $(LLVM_OBJ_ROOT)/$(BuildMode)/diags; \
+ fi
+endif
endif
endif