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 		-fsigned-char \
19 	"
20 	# want to put -fno-optimize-sibling-calls here but
21 	# that option only works with gcc3+ it seems
22 	cflags="$ngflags -ggdb"
23 }
24 
25 quiet()
26 {
27 	# The uniq at the end is for gcc's strcmp/etc. built-in nonsense,
28 	# which multiplies single errors as a result of its expansion.
29 	# The "Cursor. is deprecated" kills off warnings from Apple
30 	# about using SetCursor/InitCursor.  (Okay, they're deprecated,
31 	# but you could at least tell us what to use instead, Apple!)
32 
33 	ignore=': error: .Each undeclared identifier'
34 	ignore=$ignore'|: error: for each function it appears'
35 	ignore=$ignore'|is dangerous, better use'
36 	ignore=$ignore'|is almost always misused'
37 	ignore=$ignore'|: In function '
38 	ignore=$ignore'|: At top level:'
39 	ignore=$ignore'|support .long long.'
40 	ignore=$ignore'|In file included from'
41 	ignore=$ignore'|        from'
42 	ignore=$ignore'|use of C99 long long'
43 	ignore=$ignore'|ISO C forbids conversion'
44 	ignore=$ignore'|is deprecated'
45 	ignore=$ignore'|warn_unused_result'
46 
47 	grep -v '__p9l_autolib_' $1 |
48 	egrep -v "$ignore" |
49 	sed 's/ .first use in this function.$//; s/\"\([^\"][^\"]*\)\", line \([0-9][0-9]*\)/\1:\2/g' |
50 	$(which uniq) 1>&2  # avoid built-in uniq on SunOS
51 }
52 
53 useclang()
54 {
55 	cc=${CC9:-clang}
56 	ngflags=" \
57 		-O2 \
58 		-c \
59 		-Wall \
60 		-Wno-parentheses \
61 		-Wno-missing-braces \
62 		-Wno-switch \
63 		-Wno-comment \
64 		-Wno-sign-compare \
65 		-Wno-unknown-pragmas \
66 		-Wno-empty-body \
67 		-Wno-unused-value \
68 		-Wno-array-bounds \
69 		-Wno-gnu-designator \
70 		-fsigned-char \
71 		-fno-caret-diagnostics \
72 	"
73 	cflags="$ngflags -g"
74 }
75 
76 tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}-${CC9:-cc}"
77 case "$tag" in
78 *FreeBSD*gcc*)	usegcc ;;
79 *FreeBSD*clang*)	useclang ;;
80 *DragonFly*|*BSD*)	usegcc ;;
81 *Darwin-x86_64*clang*)
82 		useclang
83 		cflags="$ngflags -g3 -m64"
84 		;;
85 *Darwin-x86_64*) usegcc
86 		cflags="$ngflags -g3 -no-cpp-precomp -m64" ;;
87 *Darwin*clang*)
88 		useclang
89 		cflags="$ngflags -g3 -m32"
90 		;;
91 *Darwin*)	usegcc 
92 		cflags="$ngflags -g3 -no-cpp-precomp -m32" ;;
93 *HP-UX*)	cc=${CC9:-cc}; cflags="-g -O -c -Ae" ;;
94 *Linux*)	usegcc 
95 		case "${CC9:-gcc}" in
96 		tcc)
97 			cc=tcc
98 			cflags="-c -g"
99 			;;
100 		esac
101 		case "${SYSVERSION:-`uname -r`}" in
102 		2.4.*)
103 			cflags="$cflags -D__Linux24__"
104 			;;
105 		2.6.*)
106 			cflags="$cflags -D__Linux26__"
107 			;;
108 		esac
109 		;;
110 *OSF1*)		cc=${CC9:-cc}; cflags="-g -O -c" ;;
111 *SunOS*-cc)	cc=cc;
112 		cflags="-mt -g -O -c -xCC -D__sun__" 
113 		u=`uname`
114 		v=`uname -r`
115 		s=`echo $u$v | tr '. ' '__'`
116 		cflags="$cflags -D__${s}__"
117 		;;
118 *SunOS*-gcc)	usegcc
119 		u=`uname`
120 		v=`uname -r`
121 		s=`echo $u$v | tr '. ' '__'`
122 		cflags="$ngflags -g"
123 		cflags="$cflags -D__sun__ -D__${s}__"
124 		;;
125 *AIX*)		usegcc
126 		cflags="$ngflags -g -D__AIX__"
127 		;;
128 *)
129 	echo 9c does not know how to compile on "$tag" 1>&2
130 	exit 1
131 esac
132 
133 # N.B. Must use temp file to avoid pipe; pipe loses status.
134 xtmp=/tmp/9c.$$.$USER.out
135 $cc -DPLAN9PORT -I$PLAN9/include $cflags "$@" 2>$xtmp
136 status=$?
137 quiet $xtmp
138 rm -f $xtmp
139 exit $status