first stage of adaption to SUNpro CC (Sun Studio 12, to be released on next

Monday, running under Linuxulator) ☻
This commit is contained in:
tg 2007-05-31 21:25:25 +00:00
parent 60893dd663
commit ffa0764e19
1 changed files with 100 additions and 53 deletions

153
Build.sh
View File

@ -1,5 +1,5 @@
#!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.187 2007/05/28 13:47:09 tg Exp $
# $MirOS: src/bin/mksh/Build.sh,v 1.188 2007/05/31 21:25:25 tg Exp $
#-
# Environment used: CC CFLAGS CPP CPPFLAGS LDFLAGS LIBS NOWARN NROFF TARGET_OS
# CPPFLAGS recognised: MKSH_SMALL MKSH_ASSUME_UTF8 MKSH_NEED_MKNOD MKSH_NOPWNAM
@ -287,17 +287,45 @@ $e ${ao}Scanning for functions... please ignore any errors.
#
# Compiler: works as-is, with -Wno-error and -Werror
#
test x"$NOWARN" = x"" && NOWARN=-Wno-error
save_NOWARN=$NOWARN
NOWARN=
ac_flags 0 compiler_works '' 'if the compiler works'
test 1 = $HAVE_CAN_COMPILER_WORKS || exit 1
ac_flags 0 wnoerror "$save_NOWARN"
test 1 = $HAVE_CAN_WNOERROR || save_NOWARN=
ac_flags 0 werror "-Werror"
$e ... which compiler we seem to use
cat >scn.c <<-'EOF'
#if defined(__GNUC__)
ct=gcc
#elif defined(__SUNPRO_C)
ct=sunpro
#else
ct=unknown
#endif
EOF
ct=unknown
eval `$CC -E scn.c | grep ct=`
case $ct in
gcc|sunpro) ;;
*) ct=unknown ;;
esac
$e "$bi==> which compiler we seem to use...$ao $ui$ct$ao"
rm -f scn.c
if test $ct = sunpro; then
test x"$save_NOWARN" = x"" && save_NOWARN='-errwarn=%none'
ac_flags 0 errwarnnone "$save_NOWARN"
test 1 = $HAVE_CAN_ERRWARNNONE || save_NOWARN=
ac_flags 0 errwarnall "-errwarn=%all"
else
test x"$save_NOWARN" = x"" && save_NOWARN=-Wno-error
ac_flags 0 wnoerror "$save_NOWARN"
test 1 = $HAVE_CAN_WNOERROR || save_NOWARN=
ac_flags 0 werror "-Werror"
fi
# The following tests are run with -Werror if possible
test 1 = $HAVE_CAN_WERROR && NOWARN=-Werror
test $ct != sunpro && test 1 = $HAVE_CAN_WERROR && NOWARN=-Werror
test $ct = sunpro && test 1 = $HAVE_CAN_ERRWARNALL && NOWARN='-errwarn=%all'
#
# Compiler: check for stuff that only generates warnings
@ -332,53 +360,61 @@ NOWARN=$save_NOWARN
# Compiler: extra flags (-O2 -f* -W* etc.)
#
i=`echo :"$CFLAGS" | sed 's/^://' | tr -c -d $alll$allu$alln-`
test x"$i" = x"" && ac_flags 1 otwo "-O2"
ac_flags 0 fnotreevrp "-fno-tree-vrp"
if test 1 = $HAVE_CAN_FNOTREEVRP; then
tcbo=1
ac_testn need_fnotreevrp '' "if to use it to prevent a gcc bug" <<-'EOF'
typedef unsigned size_t;
char *strncpy(char *, const char *, size_t);
char *
strncpy(char *d, const char *s, size_t n)
{
if (!d || !s) {
if (d)
*d = n;
return (d);
}
return (*d = 1, d);
}
int
main(void)
{
char a[] = "t";
strncpy(a, (void *)0, 2);
return (*a);
}
EOF
tcbo=
if test -f $tcfn; then
./$tcfn >/dev/null 2>&1
rv=$?
rs=no
else
rv=0
rs="yes (assumed; cannot run ./$tcfn)"
fi
test 1 = $rv && rs=yes
test 2 = $rv || CFLAGS="$CFLAGS -fno-tree-vrp"
$e "$bi==> $fd...$ao ${ui}$rs$ao"
rm -f scn.c $tcfn
if test $ct = sunpro; then
test x"$i" = x"" && ac_flags 1 otwo "-xO2"
else
test x"$i" = x"" && ac_flags 1 otwo "-O2"
fi
if test $ct = gcc; then
ac_flags 0 fnotreevrp "-fno-tree-vrp"
if test 1 = $HAVE_CAN_FNOTREEVRP; then
tcbo=1
ac_testn need_fnotreevrp '' "if to use it to prevent a gcc bug" <<-'EOF'
typedef unsigned size_t;
char *strncpy(char *, const char *, size_t);
char *
strncpy(char *d, const char *s, size_t n)
{
if (!d || !s) {
if (d)
*d = n;
return (d);
}
return (*d = 1, d);
}
int
main(void)
{
char a[] = "t";
strncpy(a, (void *)0, 2);
return (*a);
}
EOF
tcbo=
if test -f $tcfn; then
./$tcfn >/dev/null 2>&1
rv=$?
rs=no
else
rv=0
rs="yes (assumed; cannot run ./$tcfn)"
fi
test 1 = $rv && rs=yes
test 2 = $rv || CFLAGS="$CFLAGS -fno-tree-vrp"
$e "$bi==> $fd...$ao ${ui}$rs$ao"
rm -f scn.c $tcfn
fi
ac_flags 1 fnostrictaliasing "-fno-strict-aliasing"
ac_flags 1 fstackprotectorall "-fstack-protector-all"
#ac_flags 1 fwholepgm "-fwhole-program --combine"
ac_flags 1 fwrapv "-fwrapv"
# I'd use -std=c99 but this wrecks havoc on glibc and cygwin based
# systems (at least) because their system headers are so broken...
ac_flags 1 stdg99 "-std=gnu99" 'if -std=gnu99 (ISO C99) can be used'
ac_flags 1 wall "-Wall"
elif test $ct = sunpro; then
ac_flags 1 v "-v"
fi
ac_flags 1 fnostrictaliasing "-fno-strict-aliasing"
ac_flags 1 fstackprotectorall "-fstack-protector-all"
#ac_flags 1 fwholepgm "-fwhole-program --combine"
ac_flags 1 fwrapv "-fwrapv"
# I'd use -std=c99 but this wrecks havoc on glibc and cygwin based
# systems (at least) because their system headers are so broken...
ac_flags 1 stdg99 "-std=gnu99" 'if -std=gnu99 (ISO C99) can be used'
ac_flags 1 wall "-Wall"
#
# mksh: flavours (full/small mksh, omit certain stuff)
@ -670,6 +706,7 @@ EOF
#
# Compiler: Praeprocessor (only if needed)
#
HAVE_CPP_DD=yes
if test 1 = $NEED_MKSH_SIGNAME; then
$e ... checking how to run the C Preprocessor
save_CPP=$CPP
@ -687,6 +724,13 @@ if test 1 = $NEED_MKSH_SIGNAME; then
done
$e "$bi==> checking how to run the C Preprocessor...$ao $ui$CPP$ao"
test x"$CPP" = x"false" && exit 1
$e ... checking if the C Preprocessor supports -dD
eval '( echo "#define foo bar" | v "$CPP -dD >x" ) 2>&'$h | \
sed 's/^/] /'
grep '#define foo bar' x >/dev/null 2>&1 || HAVE_CPP_DD=no
$e "$bi==> checking if the C Preprocessor supports -dD...$ao $ui$HAVE_CPP_DD$ao"
rm -f x
fi
#
@ -701,7 +745,7 @@ ed x <x 2>/dev/null | grep 3 >/dev/null 2>&1 && \
check_categories=$check_categories,oldish-ed
rm -f x
if test 1 = $NEED_MKSH_SIGNAME; then
test 1 = $NEED_MKSH_SIGNAME && if test $HAVE_CPP_DD = yes; then
$e Generating list of signal names...
sigseen=:
NSIG=`( echo '#include <signal.h>'; echo '#ifndef NSIG'; \
@ -734,6 +778,9 @@ if test 1 = $NEED_MKSH_SIGNAME; then
done 2>&1 >signames.inc
grep ', ' signames.inc >/dev/null 2>&1 || exit 1
$e done.
else
$e No list of signal names available via cpp.
echo -n >signames.inc
fi
addsrcs HAVE_SETMODE setmode.c