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| author | Carl Dong <contact@carldong.me> | 2019-07-22 11:06:01 -0400 |
|---|---|---|
| committer | Carl Dong <contact@carldong.me> | 2019-07-30 15:58:10 -0400 |
| commit | d6ac25bdd96589a71006e3ab3f303b091ffaa9e4 (patch) | |
| tree | 0d1035df35505acfb6f88ea635c7277998370794 /configure.ac | |
| parent | 51a6e2c4192913c9c18507d8dfb3302500b26cc3 (diff) | |
| download | bitcoin-d6ac25bdd96589a71006e3ab3f303b091ffaa9e4.tar.xz | |
autoconf: Sane --enable-debug defaults.
Don't optimize at all when --enable-debug is supplied. This makes sure
that nothing is optimized out.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/configure.ac b/configure.ac index 08a850cfa2..e957e06d20 100644 --- a/configure.ac +++ b/configure.ac @@ -239,7 +239,7 @@ AM_CONDITIONAL(ENABLE_MAN, test "$enable_man" != no) # Enable debug AC_ARG_ENABLE([debug], [AS_HELP_STRING([--enable-debug], - [use debug compiler flags and macros (default is no)])], + [use compiler flags and macros suited for debugging (default is no)])], [enable_debug=$enableval], [enable_debug=no]) @@ -271,12 +271,9 @@ if test "x$enable_debug" = xyes; then if test "x$CXXFLAGS_overridden" = xno; then CXXFLAGS="" fi - # Prefer -Og, fall back to -O0 if that is unavailable. - AX_CHECK_COMPILE_FLAG( - [-Og], - [[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -Og"]], - [AX_CHECK_COMPILE_FLAG([-O0],[[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -O0"]],,[[$CXXFLAG_WERROR]])], - [[$CXXFLAG_WERROR]]) + + # Disable all optimizations + AX_CHECK_COMPILE_FLAG([-O0], [[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -O0"]],,[[$CXXFLAG_WERROR]]) # Prefer -g3, fall back to -g if that is unavailable. AX_CHECK_COMPILE_FLAG( |