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Fix bug 2192 - Linux slow effects

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Sets the default optimization level for release builds to -O2, though
allowing this to be overridden with CFLAGS / CXXFLAGS.
When the --enable-debug option is selected, optimizations are overridden
by '-O0 -g'.
This commit is contained in:
SteveDaulton 2019-10-11 10:54:12 +01:00
parent f5a6a02da0
commit b2e7350587
2 changed files with 14 additions and 21 deletions
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17
configure vendored
View File

@ -7044,9 +7044,9 @@ $as_echo "#define HAVE_DCGETTEXT 1" >>confdefs.h
cflags_save="$CFLAGS"
cppflags_save="$CPPFLAGS"
cxxflags_save="$CXXFLAGS"
CFLAGS=${CFLAGS:="-O2"}
CXXFLAGS=${CXXFLAGS:="-O2"}
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler vendor" >&5
$as_echo_n "checking for C compiler vendor... " >&6; }
@ -8332,9 +8332,6 @@ ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
CFLAGS="$cflags_save"
CPPFLAGS="$cppflags_save"
CXXFLAGS="$cxxflags_save"
if test -n "$ac_tool_prefix"; then
for ac_prog in ar lib "link -lib"
@ -19280,10 +19277,10 @@ $as_echo "#define ENABLE_SSE 1" >>confdefs.h
fi
if test x"$debug_preference" = "xyes" ; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: Adding -g for debugging to CFLAGS and CXXFLAGS ..." >&5
$as_echo "$as_me: Adding -g for debugging to CFLAGS and CXXFLAGS ..." >&6;}
CFLAGS="${CFLAGS} -g -DwxDEBUG_LEVEL=1"
CXXFLAGS="${CXXFLAGS} -g -DwxDEBUG_LEVEL=1"
{ $as_echo "$as_me:${as_lineno-$LINENO}: Adding -O0 -g for debugging to CFLAGS and CXXFLAGS ..." >&5
$as_echo "$as_me: Adding -O0 -g for debugging to CFLAGS and CXXFLAGS ..." >&6;}
CFLAGS="${CFLAGS} -O0 -g -DwxDEBUG_LEVEL=1"
CXXFLAGS="${CXXFLAGS} -O0 -g -DwxDEBUG_LEVEL=1"
else
CFLAGS="${CFLAGS} -DwxDEBUG_LEVEL=0"
CXXFLAGS="${CXXFLAGS} -DwxDEBUG_LEVEL=0"

18
configure.ac
View File

@ -50,19 +50,15 @@ AM_GNU_GETTEXT([external])
dnl -------------------------------------------------------
dnl Checks for programs.
dnl -------------------------------------------------------
dnl save $CFLAGS etc. since AC_PROG_CC likes to insert "-g -O2"
dnl if $CFLAGS is blank and it finds GCC
cflags_save="$CFLAGS"
cppflags_save="$CPPFLAGS"
cxxflags_save="$CXXFLAGS"
dnl Supply reasonable defaults
CFLAGS=${CFLAGS:="-O2"}
CXXFLAGS=${CXXFLAGS:="-O2"}
AX_COMPILER_VENDOR
AC_PROG_CC
AC_LANG([C++])
AC_PROG_CXX
AC_PROG_CXXCPP
CFLAGS="$cflags_save"
CPPFLAGS="$cppflags_save"
CXXFLAGS="$cxxflags_save"
AM_PROG_AR
@ -227,9 +223,9 @@ fi
if test x"$debug_preference" = "xyes" ; then
dnl we want debuging on
AC_MSG_NOTICE([Adding -g for debugging to CFLAGS and CXXFLAGS ...])
CFLAGS="${CFLAGS} -g -DwxDEBUG_LEVEL=1"
CXXFLAGS="${CXXFLAGS} -g -DwxDEBUG_LEVEL=1"
AC_MSG_NOTICE([Adding -O0 -g for debugging to CFLAGS and CXXFLAGS ...])
CFLAGS="${CFLAGS} -O0 -g -DwxDEBUG_LEVEL=1"
CXXFLAGS="${CXXFLAGS} -O0 -g -DwxDEBUG_LEVEL=1"
else
CFLAGS="${CFLAGS} -DwxDEBUG_LEVEL=0"
CXXFLAGS="${CXXFLAGS} -DwxDEBUG_LEVEL=0"