Merge #13005: Make --enable-debug to pick better options

9e49db2 Make --enable-debug to pick better options (Evan Klitzke)

Pull request description:

  Cherry-picked (and rebased) 94189645e67f364c4445d62e2b00c282d885cbbf from the "up for grabs" PR: "[build] Make --enable-debug pick better options" (#12695).

  See previous review in #12695.

Tree-SHA512: a93cdadcf13e2ef8519acb1ce4f41ce95057a388347bb0a86a5c164dc7d0b0d14d4bb2a466082d5a100b8d50de65c605c40abaed555e8ea77c99e28800a34439
This commit is contained in:
Wladimir J. van der Laan 2018-05-14 15:27:46 +02:00 committed by UdjinM6
parent 79568f97c3
commit c646686fc0
No known key found for this signature in database
GPG Key ID: 83592BD1400D58D9
2 changed files with 22 additions and 12 deletions

View File

@ -281,14 +281,22 @@ AC_LANG_PUSH([C++])
AX_CHECK_COMPILE_FLAG([-Werror],[CXXFLAG_WERROR="-Werror"],[CXXFLAG_WERROR=""])
if test "x$enable_debug" = xyes; then
CPPFLAGS="$CPPFLAGS -DDEBUG"
if test "x$GCC" = xyes; then
CFLAGS="$CFLAGS -g3 -O0"
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]])
if test "x$GXX" = xyes; then
CXXFLAGS="$CXXFLAGS -g3 -O0"
fi
# Prefer -g3, fall back to -g if that is unavailable.
AX_CHECK_COMPILE_FLAG(
[-g3],
[[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -g3"]],
[AX_CHECK_COMPILE_FLAG([-g],[[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -g"]],,[[$CXXFLAG_WERROR]])],
[[$CXXFLAG_WERROR]])
AX_CHECK_PREPROC_FLAG([-DDEBUG],[[DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DDEBUG"]],,[[$CXXFLAG_WERROR]])
AX_CHECK_PREPROC_FLAG([-DDEBUG_LOCKORDER],[[DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DDEBUG_LOCKORDER"]],,[[$CXXFLAG_WERROR]])
else
# We always enable at at least -g1 debug info to support proper stacktraces in crash infos
# Stacktraces will be suboptimal due to optimization, but better than nothing. Also, -fno-omit-frame-pointer
@ -1450,6 +1458,8 @@ AC_SUBST(BITCOIN_CLI_NAME)
AC_SUBST(BITCOIN_TX_NAME)
AC_SUBST(RELDFLAGS)
AC_SUBST(DEBUG_CPPFLAGS)
AC_SUBST(DEBUG_CXXFLAGS)
AC_SUBST(ERROR_CXXFLAGS)
AC_SUBST(GPROF_CXXFLAGS)
AC_SUBST(GPROF_LDFLAGS)
@ -1564,9 +1574,9 @@ echo " build os = $BUILD_OS"
echo
echo " CC = $CC"
echo " CFLAGS = $CFLAGS"
echo " CPPFLAGS = $CPPFLAGS"
echo " CPPFLAGS = $DEBUG_CPPFLAGS $HARDENED_CPPFLAGS $CPPFLAGS"
echo " CXX = $CXX"
echo " CXXFLAGS = $CXXFLAGS"
echo " LDFLAGS = $LDFLAGS"
echo " CXXFLAGS = $DEBUG_CXXFLAGS $HARDENED_CXXFLAGS $ERROR_CXXFLAGS $GPROF_CXXFLAGS $CXXFLAGS"
echo " LDFLAGS = $PTHREAD_CFLAGS $HARDENED_LDFLAGS $GPROF_LDFLAGS $LDFLAGS"
echo " ARFLAGS = $ARFLAGS"
echo

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@ -6,8 +6,8 @@
DIST_SUBDIRS = secp256k1 univalue
AM_LDFLAGS = $(PTHREAD_CFLAGS) $(LIBTOOL_LDFLAGS) $(HARDENED_LDFLAGS) $(GPROF_LDFLAGS) $(SANITIZER_LDFLAGS)
AM_CXXFLAGS = $(HARDENED_CXXFLAGS) $(ERROR_CXXFLAGS) $(GPROF_CXXFLAGS) $(SANITIZER_CXXFLAGS)
AM_CPPFLAGS = $(HARDENED_CPPFLAGS)
AM_CXXFLAGS = $(DEBUG_CXXFLAGS) $(HARDENED_CXXFLAGS) $(ERROR_CXXFLAGS) $(GPROF_CXXFLAGS) $(SANITIZER_CXXFLAGS)
AM_CPPFLAGS = $(DEBUG_CPPFLAGS) $(HARDENED_CPPFLAGS)
AM_LIBTOOLFLAGS = --preserve-dup-deps
EXTRA_LIBRARIES =