1 #!/bin/sh
2 
3 test -f $PLAN9/config && . $PLAN9/config
4 usegcc()
5 {
6 	cc=${CC9:-gcc}
7 	ngflags=" \
8 		-O2 \
9 		-c \
10 		-Wall \
11 		-Wno-parentheses \
12 		-Wno-missing-braces \
13 		-Wno-switch \
14 		-Wno-comment \
15 		-Wno-sign-compare \
16 		-Wno-unknown-pragmas \
17 		-fno-omit-frame-pointer \
18 	"
19 	# want to put -fno-optimize-sibling-calls here but
20 	# that option only works with gcc3+ it seems
21 	cflags="$ngflags -ggdb"
22 }
23 
24 quiet()
25 {
26 	# The uniq at the end is for gcc's strcmp/etc. built-in nonsense,
27 	# which multiplies single errors as a result of its expansion.
28 	# The "Cursor. is deprecated" kills off warnings from Apple
29 	# about using SetCursor/InitCursor.  (Okay, they're deprecated,
30 	# but you could at least tell us what to use instead, Apple!)
31 
32 	ignore=': error: .Each undeclared identifier'
33 	ignore=$ignore'|: error: for each function it appears'
34 	ignore=$ignore'|is dangerous, better use'
35 	ignore=$ignore'|is almost always misused'
36 	ignore=$ignore'|: In function '
37 	ignore=$ignore'|: At top level:'
38 	ignore=$ignore'|support .long long.'
39 	ignore=$ignore'|In file included from'
40 	ignore=$ignore'|        from'
41 	ignore=$ignore'|use of C99 long long'
42 	ignore=$ignore'|ISO C forbids conversion'
43 	ignore=$ignore'|is deprecated'
44 	ignore=$ignore'|warn_unused_result'
45 
46 	grep -v '__p9l_autolib_' $1 |
47 	egrep -v "$ignore" |
48 	sed 's/ .first use in this function.$//; s/\"\([^\"][^\"]*\)\", line \([0-9][0-9]*\)/\1:\2/g' |
49 	uniq 1>&2
50 }
51 
52 useclang()
53 {
54 	cc=${CC9:-clang}
55 	ngflags=" \
56 		-O2 \
57 		-c \
58 		-Wall \
59 		-Wno-comment \
60 		-Wno-empty-body \
61 		-Wno-parentheses \
62 		-Wno-unknown-pragmas \
63 		-Wno-unused-value \
64 	"
65 	cflags="$ngflags -g"
66 }
67 
68 tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}-${CC9:-cc}"
69 case "$tag" in
70 *FreeBSD*gcc*)	usegcc ;;
71 *FreeBSD*clang*)	useclang ;;
72 *BSD*)	usegcc ;;
73 *Darwin*)	usegcc 
74 		cflags="$ngflags -g3 -no-cpp-precomp -m32" ;;
75 *HP-UX*)	cc=${CC9:-cc}; cflags="-g -O -c -Ae" ;;
76 *Linux*)	usegcc 
77 		case "${CC9:-gcc}" in
78 		tcc)
79 			cc=tcc
80 			cflags="-c -g"
81 			;;
82 		esac
83 		case "${SYSVERSION:-`uname -r`}" in
84 		2.4.*)
85 			cflags="$cflags -D__Linux24__"
86 			;;
87 		2.6.*)
88 			cflags="$cflags -D__Linux26__"
89 			;;
90 		esac
91 		;;
92 *OSF1*)		cc=${CC9:-cc}; cflags="-g -O -c" ;;
93 *SunOS*-cc)	cc=cc;
94 		cflags="-mt -g -O -c -xCC -D__sun__" 
95 		u=`uname`
96 		v=`uname -r`
97 		s=`echo $u$v | tr '. ' '__'`
98 		cflags="$cflags -D__${s}__"
99 		;;
100 *SunOS*-gcc)	usegcc
101 		u=`uname`
102 		v=`uname -r`
103 		s=`echo $u$v | tr '. ' '__'`
104 		cflags="$ngflags -g"
105 		cflags="$cflags -D__sun__ -D__${s}__"
106 		;;
107 *AIX*)		usegcc
108 		cflags="$ngflags -g -D__AIX__"
109 		;;
110 *)
111 	echo 9c does not know how to compile on "$tag" 1>&2
112 	exit 1
113 esac
114 
115 # N.B. Must use temp file to avoid pipe; pipe loses status.
116 xtmp=/tmp/9c.$$.$USER.out
117 $cc -DPLAN9PORT -I$PLAN9/include $cflags "$@" 2>$xtmp
118 status=$?
119 quiet $xtmp
120 rm -f $xtmp
121 exit $status