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
parent
60893dd663
commit
ffa0764e19
153
Build.sh
153
Build.sh
@ -1,5 +1,5 @@
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#!/bin/sh
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# $MirOS: src/bin/mksh/Build.sh,v 1.187 2007/05/28 13:47:09 tg Exp $
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# $MirOS: src/bin/mksh/Build.sh,v 1.188 2007/05/31 21:25:25 tg Exp $
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#-
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# Environment used: CC CFLAGS CPP CPPFLAGS LDFLAGS LIBS NOWARN NROFF TARGET_OS
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# CPPFLAGS recognised: MKSH_SMALL MKSH_ASSUME_UTF8 MKSH_NEED_MKNOD MKSH_NOPWNAM
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@ -287,17 +287,45 @@ $e ${ao}Scanning for functions... please ignore any errors.
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#
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# Compiler: works as-is, with -Wno-error and -Werror
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#
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test x"$NOWARN" = x"" && NOWARN=-Wno-error
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save_NOWARN=$NOWARN
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NOWARN=
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ac_flags 0 compiler_works '' 'if the compiler works'
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test 1 = $HAVE_CAN_COMPILER_WORKS || exit 1
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ac_flags 0 wnoerror "$save_NOWARN"
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test 1 = $HAVE_CAN_WNOERROR || save_NOWARN=
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ac_flags 0 werror "-Werror"
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$e ... which compiler we seem to use
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cat >scn.c <<-'EOF'
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#if defined(__GNUC__)
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ct=gcc
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#elif defined(__SUNPRO_C)
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ct=sunpro
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#else
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ct=unknown
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#endif
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EOF
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ct=unknown
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eval `$CC -E scn.c | grep ct=`
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case $ct in
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gcc|sunpro) ;;
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*) ct=unknown ;;
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esac
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$e "$bi==> which compiler we seem to use...$ao $ui$ct$ao"
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rm -f scn.c
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if test $ct = sunpro; then
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test x"$save_NOWARN" = x"" && save_NOWARN='-errwarn=%none'
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ac_flags 0 errwarnnone "$save_NOWARN"
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test 1 = $HAVE_CAN_ERRWARNNONE || save_NOWARN=
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ac_flags 0 errwarnall "-errwarn=%all"
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else
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test x"$save_NOWARN" = x"" && save_NOWARN=-Wno-error
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ac_flags 0 wnoerror "$save_NOWARN"
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test 1 = $HAVE_CAN_WNOERROR || save_NOWARN=
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ac_flags 0 werror "-Werror"
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fi
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# The following tests are run with -Werror if possible
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test 1 = $HAVE_CAN_WERROR && NOWARN=-Werror
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test $ct != sunpro && test 1 = $HAVE_CAN_WERROR && NOWARN=-Werror
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test $ct = sunpro && test 1 = $HAVE_CAN_ERRWARNALL && NOWARN='-errwarn=%all'
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#
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# Compiler: check for stuff that only generates warnings
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@ -332,53 +360,61 @@ NOWARN=$save_NOWARN
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# Compiler: extra flags (-O2 -f* -W* etc.)
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#
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i=`echo :"$CFLAGS" | sed 's/^://' | tr -c -d $alll$allu$alln-`
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test x"$i" = x"" && ac_flags 1 otwo "-O2"
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ac_flags 0 fnotreevrp "-fno-tree-vrp"
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if test 1 = $HAVE_CAN_FNOTREEVRP; then
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tcbo=1
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ac_testn need_fnotreevrp '' "if to use it to prevent a gcc bug" <<-'EOF'
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typedef unsigned size_t;
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char *strncpy(char *, const char *, size_t);
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char *
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strncpy(char *d, const char *s, size_t n)
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{
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if (!d || !s) {
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if (d)
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*d = n;
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return (d);
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}
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return (*d = 1, d);
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}
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int
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main(void)
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{
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char a[] = "t";
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strncpy(a, (void *)0, 2);
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return (*a);
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}
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EOF
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tcbo=
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if test -f $tcfn; then
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./$tcfn >/dev/null 2>&1
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rv=$?
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rs=no
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else
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rv=0
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rs="yes (assumed; cannot run ./$tcfn)"
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fi
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test 1 = $rv && rs=yes
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test 2 = $rv || CFLAGS="$CFLAGS -fno-tree-vrp"
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$e "$bi==> $fd...$ao ${ui}$rs$ao"
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rm -f scn.c $tcfn
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if test $ct = sunpro; then
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test x"$i" = x"" && ac_flags 1 otwo "-xO2"
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else
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test x"$i" = x"" && ac_flags 1 otwo "-O2"
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fi
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if test $ct = gcc; then
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ac_flags 0 fnotreevrp "-fno-tree-vrp"
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if test 1 = $HAVE_CAN_FNOTREEVRP; then
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tcbo=1
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ac_testn need_fnotreevrp '' "if to use it to prevent a gcc bug" <<-'EOF'
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typedef unsigned size_t;
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char *strncpy(char *, const char *, size_t);
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char *
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strncpy(char *d, const char *s, size_t n)
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{
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if (!d || !s) {
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if (d)
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*d = n;
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return (d);
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}
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return (*d = 1, d);
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}
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int
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main(void)
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{
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char a[] = "t";
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strncpy(a, (void *)0, 2);
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return (*a);
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}
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EOF
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tcbo=
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if test -f $tcfn; then
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./$tcfn >/dev/null 2>&1
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rv=$?
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rs=no
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else
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rv=0
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rs="yes (assumed; cannot run ./$tcfn)"
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fi
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test 1 = $rv && rs=yes
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test 2 = $rv || CFLAGS="$CFLAGS -fno-tree-vrp"
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$e "$bi==> $fd...$ao ${ui}$rs$ao"
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rm -f scn.c $tcfn
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fi
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ac_flags 1 fnostrictaliasing "-fno-strict-aliasing"
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ac_flags 1 fstackprotectorall "-fstack-protector-all"
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#ac_flags 1 fwholepgm "-fwhole-program --combine"
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ac_flags 1 fwrapv "-fwrapv"
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# I'd use -std=c99 but this wrecks havoc on glibc and cygwin based
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# systems (at least) because their system headers are so broken...
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ac_flags 1 stdg99 "-std=gnu99" 'if -std=gnu99 (ISO C99) can be used'
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ac_flags 1 wall "-Wall"
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elif test $ct = sunpro; then
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ac_flags 1 v "-v"
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fi
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ac_flags 1 fnostrictaliasing "-fno-strict-aliasing"
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ac_flags 1 fstackprotectorall "-fstack-protector-all"
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#ac_flags 1 fwholepgm "-fwhole-program --combine"
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ac_flags 1 fwrapv "-fwrapv"
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# I'd use -std=c99 but this wrecks havoc on glibc and cygwin based
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# systems (at least) because their system headers are so broken...
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ac_flags 1 stdg99 "-std=gnu99" 'if -std=gnu99 (ISO C99) can be used'
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ac_flags 1 wall "-Wall"
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#
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# mksh: flavours (full/small mksh, omit certain stuff)
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@ -670,6 +706,7 @@ EOF
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#
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# Compiler: Praeprocessor (only if needed)
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#
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HAVE_CPP_DD=yes
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if test 1 = $NEED_MKSH_SIGNAME; then
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$e ... checking how to run the C Preprocessor
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save_CPP=$CPP
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@ -687,6 +724,13 @@ if test 1 = $NEED_MKSH_SIGNAME; then
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done
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$e "$bi==> checking how to run the C Preprocessor...$ao $ui$CPP$ao"
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test x"$CPP" = x"false" && exit 1
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$e ... checking if the C Preprocessor supports -dD
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eval '( echo "#define foo bar" | v "$CPP -dD >x" ) 2>&'$h | \
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sed 's/^/] /'
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grep '#define foo bar' x >/dev/null 2>&1 || HAVE_CPP_DD=no
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$e "$bi==> checking if the C Preprocessor supports -dD...$ao $ui$HAVE_CPP_DD$ao"
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rm -f x
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fi
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#
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@ -701,7 +745,7 @@ ed x <x 2>/dev/null | grep 3 >/dev/null 2>&1 && \
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check_categories=$check_categories,oldish-ed
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rm -f x
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if test 1 = $NEED_MKSH_SIGNAME; then
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test 1 = $NEED_MKSH_SIGNAME && if test $HAVE_CPP_DD = yes; then
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$e Generating list of signal names...
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sigseen=:
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NSIG=`( echo '#include <signal.h>'; echo '#ifndef NSIG'; \
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@ -734,6 +778,9 @@ if test 1 = $NEED_MKSH_SIGNAME; then
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done 2>&1 >signames.inc
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grep ', ' signames.inc >/dev/null 2>&1 || exit 1
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$e done.
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else
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$e No list of signal names available via cpp.
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echo -n >signames.inc
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fi
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addsrcs HAVE_SETMODE setmode.c
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