diff options
author | Michael Stahl <mstahl@redhat.com> | 2017-04-10 11:38:31 +0200 |
---|---|---|
committer | Michael Stahl <mstahl@redhat.com> | 2017-04-10 13:42:48 +0200 |
commit | fae4b8d79819e205b1746014c770d5fb13d86e22 (patch) | |
tree | 402f10891c0d49d36fe6c49663edccd0c21ed19a | |
parent | 6bd33bd263c6666824d0d540395a4df4ae7d1d7b (diff) |
gbuild: revert to -O0 instead of -Og for GCC --enable-debug/dbgutil builds
Unfortunately -Og doesn't work as well as advertised, variables are
optimized away too often.
See thread at
https://lists.freedesktop.org/archives/libreoffice/2017-April/077479.html
Change-Id: I5fc141ea9c7c6931aaf8220c7abf6b413326049e
-rw-r--r-- | config_host.mk.in | 1 | ||||
-rw-r--r-- | configure.ac | 18 | ||||
-rw-r--r-- | solenv/gbuild/platform/com_GCC_defs.mk | 4 |
3 files changed, 1 insertions, 22 deletions
diff --git a/config_host.mk.in b/config_host.mk.in index 5796b56d184b..e60c80e326ed 100644 --- a/config_host.mk.in +++ b/config_host.mk.in @@ -242,7 +242,6 @@ export HAVE_GCC_FNO_ENFORCE_EH_SPECS=@HAVE_GCC_FNO_ENFORCE_EH_SPECS@ export HAVE_GCC_FNO_INLINE=@HAVE_GCC_FNO_INLINE@ export HAVE_GCC_FNO_SIZED_DEALLOCATION=@HAVE_GCC_FNO_SIZED_DEALLOCATION@ export HAVE_GCC_GGDB2=@HAVE_GCC_GGDB2@ -export HAVE_GCC_OG=@HAVE_GCC_OG@ export HAVE_GNUMAKE_FILE_FUNC=@HAVE_GNUMAKE_FILE_FUNC@ export HAVE_LD_BSYMBOLIC_FUNCTIONS=@HAVE_LD_BSYMBOLIC_FUNCTIONS@ export HAVE_LD_HASH_STYLE=@HAVE_LD_HASH_STYLE@ diff --git a/configure.ac b/configure.ac index af0ffd882039..8398aa334a0c 100644 --- a/configure.ac +++ b/configure.ac @@ -3750,7 +3750,6 @@ fi HAVE_GCC_GGDB2= HAVE_GCC_FINLINE_LIMIT= HAVE_GCC_FNO_INLINE= -HAVE_GCC_OG= if test "$GCC" = "yes"; then AC_MSG_CHECKING([whether $CC supports -ggdb2]) if test -n "$CLANGVER" -a 0"$CLANGVER" -le 30100; then @@ -3801,22 +3800,6 @@ if test "$GCC" = "yes"; then AC_MSG_RESULT([no]) fi - # clang as of version 4.0.0 (trunk 289424) doesn't do this very well (missing locals, bad param info in stack frame) - if test "$COM_IS_CLANG" != "TRUE"; then - AC_MSG_CHECKING([whether $CC supports -Og]) - # Note that clang-3.1 reports a real error for this option - # so we do not need a special case for clang<=3.1 as above. - save_CFLAGS=$CFLAGS - CFLAGS="$CFLAGS -Werror -Og" - AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[ return 0; ]])],[ HAVE_GCC_OG=TRUE ],[]) - CFLAGS=$save_CFLAGS - if test "$HAVE_GCC_OG" = "TRUE"; then - AC_MSG_RESULT([yes]) - else - AC_MSG_RESULT([no]) - fi - fi - if test "$host_cpu" = "m68k"; then AC_MSG_CHECKING([whether $CC supports -mlong-jump-table-offsets]) save_CFLAGS=$CFLAGS @@ -3833,7 +3816,6 @@ fi AC_SUBST(HAVE_GCC_GGDB2) AC_SUBST(HAVE_GCC_FINLINE_LIMIT) AC_SUBST(HAVE_GCC_FNO_INLINE) -AC_SUBST(HAVE_GCC_OG) dnl =================================================================== dnl Test the gcc version diff --git a/solenv/gbuild/platform/com_GCC_defs.mk b/solenv/gbuild/platform/com_GCC_defs.mk index 25125334840c..6b697fc9461c 100644 --- a/solenv/gbuild/platform/com_GCC_defs.mk +++ b/solenv/gbuild/platform/com_GCC_defs.mk @@ -186,9 +186,7 @@ ifeq ($(HAVE_GCC_FNO_DEFAULT_INLINE),TRUE) FNO_DEFAULT_INLINE=-fno-default-inline endif -# note: this overrides -O0 from the gb_COMPILERNOOPTFLAGS with -Og if -# available, so that the former remains no-optimization for when that is needed -gb_DEBUG_CFLAGS := $(if $(HAVE_GCC_OG),-Og) $(FINLINE_LIMIT0) $(FNO_INLINE) +gb_DEBUG_CFLAGS := $(FINLINE_LIMIT0) $(FNO_INLINE) gb_DEBUG_CXXFLAGS := $(FNO_DEFAULT_INLINE) |