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BUILD: Update comments

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This commit is contained in:
Max Horn 2011-05-25 13:40:07 +02:00
parent c439e08590
commit 652bf358c2
1 changed files with 24 additions and 20 deletions
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44
configure vendored
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@ -1376,6 +1376,9 @@ fi
echo "$cxx_version"
#
# Bail out now if now useable compiler was found.
#
if test "$cxx_verc_fail" = yes ; then
echo
echo "The version of your compiler is not supported at this time"
@ -1383,19 +1386,10 @@ if test "$cxx_verc_fail" = yes ; then
exit 1
fi
echocheck "whether -Wglobal-constructors work"
cat > $TMPC << EOF
int main() { return 0; }
EOF
cc_check -Wglobal-constructors && _global_constructors=yes
if test "$_global_constructors" = yes; then
CXXFLAGS="$CXXFLAGS -Wglobal-constructors"
fi
echo $_global_constructors
#
# Do CXXFLAGS now that we know the compiler version
# Setup compiler specific CXXFLAGS now that we know the compiler version.
# Foremost, this means enabling various warnings.
# In addition, we set CXX_UPDATE_DEP_FLAG for GCC >= 3.0 and for ICC.
#
if test "$have_gcc" = yes ; then
if test "$_cxx_major" -ge "3" ; then
@ -1423,18 +1417,34 @@ elif test "$have_icc" = yes ; then
add_line_to_config_mk 'CXX_UPDATE_DEP_FLAG = -MMD -MF "$(*D)/$(DEPDIR)/$(*F).d" -MQ "$@" -MP'
fi;
# Some platforms use certain GNU extensions in header files
# By default, we add -pedantic to the CXXFLAGS to catch some potentially
# non-portable constructs, like use of GNU extensions.
# However, some platforms use GNU extensions in system header files, so
# for these we must not use -pedantic.
case $_host_os in
android | gamecube | psp | wii)
;;
*)
# ICC does not support pedantic
# ICC does not support pedantic, while GCC and clang do.
if test "$have_icc" = no ; then
CXXFLAGS="$CXXFLAGS -pedantic"
fi
;;
esac
# If possible, we want to use -Wglobal-constructors
# However, not all compilers support that, so check whether the active one does.
echocheck "whether -Wglobal-constructors work"
cat > $TMPC << EOF
int main() { return 0; }
EOF
cc_check -Wglobal-constructors && _global_constructors=yes
if test "$_global_constructors" = yes; then
CXXFLAGS="$CXXFLAGS -Wglobal-constructors"
fi
echo $_global_constructors
#
# Check for endianness
#
@ -1570,7 +1580,6 @@ case $_host_os in
DEFINES="$DEFINES -DNONSTANDARD_PORT"
;;
ds)
# TODO Nintendo DS
DEFINES="$DEFINES -D__DS__"
DEFINES="$DEFINES -DNDS"
DEFINES="$DEFINES -DARM9"
@ -1650,7 +1659,6 @@ case $_host_os in
DEFINES="$DEFINES -DREDUCE_MEMORY_USAGE"
;;
ps2)
# TODO ps2
CXXFLAGS="$CXXFLAGS -G2"
DEFINES="$DEFINES -D_EE"
DEFINES="$DEFINES -D__PLAYSTATION2__"
@ -1813,7 +1821,6 @@ if test -n "$_host"; then
_port_mk="backends/platform/dc/dreamcast.mk"
;;
ds)
# TODO: complete this
DEFINES="$DEFINES -DDISABLE_COMMAND_LINE"
DEFINES="$DEFINES -DDISABLE_DEFAULT_SAVEFILEMANAGER"
DEFINES="$DEFINES -DDISABLE_DOSBOX_OPL"
@ -1968,7 +1975,6 @@ if test -n "$_host"; then
ppc-amigaos)
;;
ps2)
# TODO: complete this
DEFINES="$DEFINES -DDISABLE_TEXT_CONSOLE"
DEFINES="$DEFINES -DDISABLE_COMMAND_LINE"
DEFINES="$DEFINES -DDISABLE_DOSBOX_OPL"
@ -2119,7 +2125,6 @@ case $_backend in
DEFINES="$DEFINES -DDINGUX"
;;
ds)
# TODO ds
INCLUDES="$INCLUDES "'-I$(srcdir)/backends/platform/ds/arm9/source'
INCLUDES="$INCLUDES "'-I$(srcdir)/backends/platform/ds/commoninclude'
INCLUDES="$INCLUDES "'-Ibackends/platform/ds/arm9/data'
@ -2148,7 +2153,6 @@ case $_backend in
openpandora)
;;
ps2)
# TODO ps2
DEFINES="$DEFINES -D_EE"
DEFINES="$DEFINES -DFORCE_RTL"
INCLUDES="$INCLUDES -I$PS2SDK/ee/include -I$PS2SDK/common/include -I$PS2SDK/ports/include"