Merge #13445: build: Reset default -g -O2 flags when enable debug

9882d1f044 Reset default -g -O2 flags when enable debug (Chun Kuan Lee)

Pull request description:

  The default CXXFLAGS is -g -O2, this should not appear when enable debug.
  fixes #13432

Tree-SHA512: 79447f3e1fab9e6cd12f5ca49b3d42187e856e0c159ed01140ea93d6ef1fbb1af3d65b338308566330491052c0177d12abe26796513502ddde31692665a0dbb4
This commit is contained in:
Wladimir J. van der Laan 2018-06-13 15:46:46 +02:00
commit 8eb76f3958
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@ -243,6 +243,10 @@ AC_LANG_PUSH([C++])
AX_CHECK_COMPILE_FLAG([-Werror],[CXXFLAG_WERROR="-Werror"],[CXXFLAG_WERROR=""])
if test "x$enable_debug" = xyes; then
# Clear default -g -O2 flags
if test "x$CXXFLAGS_overridden" = xno; then
CXXFLAGS=""
fi
# Prefer -Og, fall back to -O0 if that is unavailable.
AX_CHECK_COMPILE_FLAG(
[-Og],