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-rw-r--r--auto/cc/test2
-rw-r--r--auto/make11
2 files changed, 11 insertions, 2 deletions
diff --git a/auto/cc/test b/auto/cc/test
index 5bd94d2f..4d6d5a43 100644
--- a/auto/cc/test
+++ b/auto/cc/test
@@ -71,7 +71,6 @@ case $NXT_CC_NAME in
#NXT_CFLAGS="$NXT_CFLAGS -std=gnu99"
NXT_CFLAGS="$NXT_CFLAGS -O"
- #NXT_CFLAGS="$NXT_CFLAGS -O0"
NXT_CFLAGS="$NXT_CFLAGS -Wall -Wextra"
#NXT_CFLAGS="$NXT_CFLAGS -Wunused-result"
@@ -112,7 +111,6 @@ case $NXT_CC_NAME in
NXT_CFLAGS="$NXT_CFLAGS -fno-strict-overflow"
NXT_CFLAGS="$NXT_CFLAGS -O"
- #NXT_CFLAGS="$NXT_CFLAGS -O0"
NXT_CFLAGS="$NXT_CFLAGS -Wall -Wextra"
#NXT_CFLAGS="$NXT_CFLAGS -Wunused-result"
diff --git a/auto/make b/auto/make
index 34335385..1d54ab40 100644
--- a/auto/make
+++ b/auto/make
@@ -52,6 +52,17 @@ ifeq (\$V,1)
v :=
endif
+# Optionally enable debugging builds with
+# make D=1 ...
+# -g is always used, this just changes the optimisation level.
+# On GCC this would be -Og, however according to the clang(1)
+# man page, -O0 'generates the most debuggable code'.
+D := 0
+
+ifeq (\$D,1)
+ CFLAGS += -O0
+endif
+
END
fi