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some help from the autoconf portable shell docs

This commit is contained in:
tg 2006-08-12 20:19:36 +00:00
parent 70babe6b0c
commit 36b7c841d3
1 changed files with 11 additions and 12 deletions
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23
Build.sh
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@ -1,11 +1,11 @@
#!/bin/sh #!/bin/sh
# $MirOS: src/bin/mksh/Build.sh,v 1.46 2006/08/12 20:01:35 tg Stab $ # $MirOS: src/bin/mksh/Build.sh,v 1.47 2006/08/12 20:19:36 tg Exp $
#- #-
# This script recognises CC, CFLAGS, CPPFLAGS, LDFLAGS, LIBS and NROFF. # This script recognises CC, CFLAGS, CPPFLAGS, LDFLAGS, LIBS and NROFF.
: ${CFLAGS=-O2 -fno-strict-aliasing -fno-strength-reduce -Wall} : ${CFLAGS='-O2 -fno-strict-aliasing -fno-strength-reduce -Wall'}
: ${CC:=gcc} ${srcdir:=`dirname "$0"`} ${NROFF:=nroff} : ${CC=gcc} ${NROFF=nroff}
curdir=`pwd` curdir=`pwd` srcdir=`dirname "$0"`
echo | $NROFF -v 2>&1 | grep GNU >&- 2>&- && NROFF="$NROFF -c" echo | $NROFF -v 2>&1 | grep GNU >&- 2>&- && NROFF="$NROFF -c"
e=echo e=echo
@ -13,8 +13,9 @@ q=0
r=0 r=0
x=0 x=0
while test -n "$1"; do for i
case $1 in do
case $i in
-d) -d)
LDSTATIC= LDSTATIC=
;; ;;
@ -29,11 +30,10 @@ while test -n "$1"; do
x=1 x=1
;; ;;
*) *)
echo "$0: Unknown option '$1'!" >&2 echo "$0: Unknown option '$i'!" >&2
exit 1 exit 1
;; ;;
esac esac
shift
done done
v() v()
@ -50,7 +50,7 @@ fi
SRCS="$SRCS alloc.c edit.c eval.c exec.c expr.c funcs.c histrap.c" SRCS="$SRCS alloc.c edit.c eval.c exec.c expr.c funcs.c histrap.c"
SRCS="$SRCS jobs.c lex.c main.c misc.c shf.c syn.c tree.c var.c" SRCS="$SRCS jobs.c lex.c main.c misc.c shf.c syn.c tree.c var.c"
test $x = 1 || case "`uname -s 2>/dev/null || uname`" in test $x = 1 || case `uname -s 2>/dev/null || uname` in
CYGWIN*) CYGWIN*)
LDSTATIC= # they don't want it LDSTATIC= # they don't want it
SRCS="$SRCS compat.c" SRCS="$SRCS compat.c"
@ -84,9 +84,8 @@ esac
if test x"$sigseen" = x:; then if test x"$sigseen" = x:; then
$e Generating list of signal names $e Generating list of signal names
NSIG=`( echo '#include <signal.h>'; echo "mksh_test: NSIG" ) | \ NSIG=`printf %d "`(echo '#include <signal.h>'; echo mksh_test: NSIG) | \
$CC $CPPFLAGS -E - | grep mksh_test: | sed 's/^mksh_test: //'` $CC $CPPFLAGS -E - | grep mksh_test | sed 's/^mksh_test: //'`" 2>&-`
NSIG=`printf %d "$NSIG" 2>&-`
test $NSIG -gt 1 || exit 1 test $NSIG -gt 1 || exit 1
echo '#include <signal.h>' | $CC $CPPFLAGS -E -dD - | \ echo '#include <signal.h>' | $CC $CPPFLAGS -E -dD - | \
grep '[ ]SIG[A-Z0-9]*[ ]' | \ grep '[ ]SIG[A-Z0-9]*[ ]' | \