new "-c lto" (with fallback to "-c combine"), and catch build failures (lto broken, llc ENOENT, …) early
This commit is contained in:
tg
96
Build.sh
96
Build.sh
@@ -1,5 +1,5 @@
|
||||
#!/bin/sh
|
||||
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.478 2011/05/29 16:31:38 tg Exp $'
|
||||
srcversion='$MirOS: src/bin/mksh/Build.sh,v 1.479 2011/06/05 18:16:19 tg Exp $'
|
||||
#-
|
||||
# Copyright (c) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
|
||||
# Thorsten Glaser <tg@mirbsd.org>
|
||||
@@ -218,7 +218,7 @@ ac_test() {
|
||||
ac_cppflags
|
||||
}
|
||||
|
||||
# ac_flags [-] add varname flags [text]
|
||||
# ac_flags [-] add varname cflags [text] [ldflags]
|
||||
ac_flags() {
|
||||
if test x"$1" = x"-"; then
|
||||
shift
|
||||
@@ -230,9 +230,14 @@ ac_flags() {
|
||||
vn=$2
|
||||
f=$3
|
||||
ft=$4
|
||||
fl=$5
|
||||
test x"$ft" = x"" && ft="if $f can be used"
|
||||
save_CFLAGS=$CFLAGS
|
||||
CFLAGS="$CFLAGS $f"
|
||||
if test -n "$fl"; then
|
||||
save_LDFLAGS=$LDFLAGS
|
||||
LDFLAGS="$LDFLAGS $fl"
|
||||
fi
|
||||
if test 1 = $hf; then
|
||||
ac_testn can_$vn '' "$ft"
|
||||
else
|
||||
@@ -242,6 +247,9 @@ ac_flags() {
|
||||
EOF
|
||||
fi
|
||||
eval fv=\$HAVE_CAN_`upper $vn`
|
||||
if test -n "$fl"; then
|
||||
test 11 = $fa$fv || LDFLAGS=$save_LDFLAGS
|
||||
fi
|
||||
test 11 = $fa$fv || CFLAGS=$save_CFLAGS
|
||||
}
|
||||
|
||||
@@ -303,7 +311,7 @@ last=
|
||||
for i
|
||||
do
|
||||
case $last:$i in
|
||||
c:combine|c:dragonegg|c:llvm)
|
||||
c:combine|c:dragonegg|c:llvm|c:lto)
|
||||
cm=$i
|
||||
last=
|
||||
;;
|
||||
@@ -890,9 +898,42 @@ if test $ct = gcc; then
|
||||
ac_flags 1 fnostrictaliasing -fno-strict-aliasing
|
||||
ac_flags 1 fstackprotectorall -fstack-protector-all
|
||||
ac_flags 1 fwrapv -fwrapv
|
||||
test $cm = combine && ac_flags 0 combine \
|
||||
'-fwhole-program --combine' \
|
||||
'if gcc supports -fwhole-program --combine'
|
||||
if test $cm = lto; then
|
||||
fv=0
|
||||
checks='1 2 3 4 5 6 7 8'
|
||||
elif test $cm = combine; then
|
||||
fv=0
|
||||
checks='7 8'
|
||||
else
|
||||
fv=1
|
||||
fi
|
||||
test $fv = 1 || for what in $checks; do
|
||||
test $fv = 1 && break
|
||||
case $what in
|
||||
1) t_cflags='-flto=jobserver'
|
||||
t_ldflags='-fuse-linker-plugin'
|
||||
t_use=1 t_name=fltojs_lp ;;
|
||||
2) t_cflags='-flto=jobserver' t_ldflags=''
|
||||
t_use=1 t_name=fltojs_nn ;;
|
||||
3) t_cflags='-flto=jobserver'
|
||||
t_ldflags='-fno-use-linker-plugin -fwhole-program'
|
||||
t_use=1 t_name=fltojs_np ;;
|
||||
4) t_cflags='-flto'
|
||||
t_ldflags='-fuse-linker-plugin'
|
||||
t_use=1 t_name=fltons_lp ;;
|
||||
5) t_cflags='-flto' t_ldflags=''
|
||||
t_use=1 t_name=fltons_nn ;;
|
||||
6) t_cflags='-flto'
|
||||
t_ldflags='-fno-use-linker-plugin -fwhole-program'
|
||||
t_use=1 t_name=fltons_np ;;
|
||||
7) t_cflags='-fwhole-program --combine' t_ldflags=''
|
||||
t_use=0 t_name=combine cm=combine ;;
|
||||
8) fv=1 cm=normal ;;
|
||||
esac
|
||||
test $fv = 1 && break
|
||||
ac_flags $t_use $t_name "$t_cflags" \
|
||||
"if gcc supports $t_cflags $t_ldflags" "$t_ldflags"
|
||||
done
|
||||
i=1
|
||||
elif test $ct = icc; then
|
||||
ac_flags 1 fnobuiltinsetmode -fno-builtin-setmode
|
||||
@@ -957,8 +998,48 @@ if test 1 = $i; then
|
||||
ac_flags 1 stdc99 -std=c99 'for support of ISO C99'
|
||||
ac_flags 1 wall -Wall
|
||||
fi
|
||||
phase=x
|
||||
|
||||
# check whether whatever we use for the final link will succeed
|
||||
if test $cm = makefile; then
|
||||
: nothing to check
|
||||
else
|
||||
HAVE_LINK_WORKS=x
|
||||
ac_testinit link_works '' 'checking if the final link command may succeed'
|
||||
fv=1
|
||||
cat >conftest.c <<-'EOF'
|
||||
#include <stdio.h>
|
||||
int main(void) { printf("Hello, World!\n"); return (0); }
|
||||
EOF
|
||||
case $cm in
|
||||
llvm)
|
||||
v "$CC $CFLAGS $CPPFLAGS $NOWARN -emit-llvm -c conftest.c" || fv=0
|
||||
rmf mksh.s
|
||||
test $fv = 0 || v "llvm-link -o - conftest.o | opt $optflags | llc -o mksh.s" || fv=0
|
||||
test $fv = 0 || v "$CC $CFLAGS $LDFLAGS -o $tcfn mksh.s $LIBS $ccpr"
|
||||
;;
|
||||
dragonegg)
|
||||
v "$CC $CFLAGS $CPPFLAGS $NOWARN -S -flto conftest.c" || fv=0
|
||||
test $fv = 0 || v "mv conftest.s conftest.ll"
|
||||
test $fv = 0 || v "llvm-as conftest.ll" || fv=0
|
||||
rmf mksh.s
|
||||
test $fv = 0 || v "llvm-link -o - conftest.bc | opt $optflags | llc -o mksh.s" || fv=0
|
||||
test $fv = 0 || v "$CC $CFLAGS $LDFLAGS -o $tcfn mksh.s $LIBS $ccpr"
|
||||
;;
|
||||
combine)
|
||||
v "$CC $CFLAGS $CPPFLAGS $LDFLAGS -fwhole-program --combine $NOWARN -o $tcfn conftest.c $LIBS $ccpr"
|
||||
;;
|
||||
lto|normal)
|
||||
cm=normal
|
||||
v "$CC $CFLAGS $CPPFLAGS $NOWARN -c conftest.c" || fv=0
|
||||
test $fv = 0 || v "$CC $CFLAGS $LDFLAGS -o $tcfn conftest.o $LIBS $ccpr"
|
||||
;;
|
||||
esac
|
||||
test -f $tcfn || fv=0
|
||||
ac_testdone
|
||||
test $fv = 1 || exit 1
|
||||
fi
|
||||
|
||||
phase=x
|
||||
# The following tests run with -Werror or similar (all compilers) if possible
|
||||
NOWARN=$DOWARN
|
||||
test $ct = pcc && phase=u
|
||||
@@ -1537,7 +1618,6 @@ cat >>test.sh <<-EOF
|
||||
exec \$perli "\${args[@]}" "\$@"$tsts
|
||||
EOF
|
||||
chmod 755 test.sh
|
||||
test $HAVE_CAN_COMBINE$cm = 0combine && cm=normal
|
||||
if test $cm = llvm; then
|
||||
emitbc="-emit-llvm -c"
|
||||
elif test $cm = dragonegg; then
|
||||
|
||||
Reference in New Issue
Block a user