1 #!/bin/sh
2 
3 test -f $PLAN9/config && . $PLAN9/config
4 usegcc()
5 {
6 	cc=${CC9:-gcc}
7 	cflags=" \
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 		-Wno-misleading-indentation \
18 		-Wno-stringop-truncation \
19 		-Wno-stringop-overflow \
20 		-Wno-format-truncation \
21 		-fno-omit-frame-pointer \
22 		-fsigned-char \
23 		-fcommon \
24 	"
25 	# want to put -fno-optimize-sibling-calls here but
26 	# that option only works with gcc3+ it seems
27 	cflags="$cflags -ggdb"
28 	cflags="$cflags $CC9FLAGS"
29 }
30 
31 quiet()
32 {
33 	# The uniq at the end is for gcc's strcmp/etc. built-in nonsense,
34 	# which multiplies single errors as a result of its expansion.
35 	# The "Cursor. is deprecated" kills off warnings from Apple
36 	# about using SetCursor/InitCursor.  (Okay, they're deprecated,
37 	# but you could at least tell us what to use instead, Apple!)
38 
39 	ignore=': error: .Each undeclared identifier'
40 	ignore=$ignore'|: error: for each function it appears'
41 	ignore=$ignore'|is dangerous, better use'
42 	ignore=$ignore'|is almost always misused'
43 	ignore=$ignore'|: In function '
44 	ignore=$ignore'|: At top level:'
45 	ignore=$ignore'|support .long long.'
46 	ignore=$ignore'|In file included from'
47 	ignore=$ignore'|        from'
48 	ignore=$ignore'|use of C99 long long'
49 	ignore=$ignore'|ISO C forbids conversion'
50 	ignore=$ignore'|marked deprecated'
51 	ignore=$ignore'|is deprecated'
52 	ignore=$ignore'|warn_unused_result'
53 	ignore=$ignore'|expanded from macro'
54 
55 	grep -v '__p9l_autolib_' $1 |
56 	egrep -v "$ignore" |
57 	sed 's/ .first use in this function.$//; s/\"\([^\"][^\"]*\)\", line \([0-9][0-9]*\)/\1:\2/g' |
58 	$(which uniq) 1>&2  # avoid built-in uniq on SunOS
59 }
60 
61 useclang()
62 {
63 	cc=${CC9:-clang}
64 	cflags=" \
65 		-O2 \
66 		-c \
67 		-Wall \
68 		-Wno-parentheses \
69 		-Wno-missing-braces \
70 		-Wno-switch \
71 		-Wno-comment \
72 		-Wno-sign-compare \
73 		-Wno-unknown-pragmas \
74 		-Wno-empty-body \
75 		-Wno-unused-value \
76 		-Wno-array-bounds \
77 		-Wno-gnu-designator \
78 		-Wno-array-bounds \
79 		-Wno-unneeded-internal-declaration \
80 		-fsigned-char \
81 		-fno-caret-diagnostics \
82 		-fcommon \
83 	"
84 	cflags="$cflags -g"
85 	cflags="$cflags $CC9FLAGS"
86 }
87 
88 usexlc()
89 {
90 	cc=${CC9:-xlc_r}
91 	cflags=" \
92 		-c \
93 		-O2 \
94 		-qmaxmem=-1 \
95 		-qsuppress=1506-236 \
96 		-qsuppress=1506-358 \
97 		-qsuppress=1500-010 \
98 		-qsuppress=1506-224 \
99 		-qsuppress=1506-1300 \
100 		-qsuppress=1506-342 \
101 	"
102 	cflags="$cflags -g -qdbxextra -qfullpath"
103 	cflags="$cflags $CC9FLAGS"
104 }
105 
106 tag="${SYSNAME:-`uname`}-${CC9:-cc}"
107 case "$tag" in
108 *DragonFly*gcc*|*BSD*gcc*)	usegcc ;;
109 *DragonFly*clang|*BSD*clang*)	useclang ;;
110 *Darwin*)
111 		useclang
112 		cflags="$cflags -g3 -m64"
113 		;;
114 *HP-UX*)	cc=${CC9:-cc}; cflags="-g -O -c -Ae" ;;
115 *Linux*)	usegcc
116 		case "${CC9:-gcc}" in
117 		tcc)
118 			cc=tcc
119 			cflags="-c -g"
120 			;;
121 		esac
122 		;;
123 *OSF1*)		cc=${CC9:-cc}; cflags="-g -O -c" ;;
124 *SunOS*-cc)	cc=cc;
125 		cflags="-mt -g -O -c -xCC -D__sun__"
126 		u=`uname`
127 		v=`uname -r`
128 		s=`echo $u$v | tr '. ' '__'`
129 		cflags="$cflags -D__${s}__"
130 		;;
131 *SunOS*-gcc)	usegcc
132 		u=`uname`
133 		v=`uname -r`
134 		s=`echo $u$v | tr '. ' '__'`
135 		cflags="$cflags -g"
136 		cflags="$cflags -D__sun__ -D__${s}__"
137 		;;
138 *AIX*)		usexlc
139 		cflags="$cflags -g -D__AIX__"
140 		;;
141 *)
142 	echo 9c does not know how to compile on "$tag" 1>&2
143 	exit 1
144 esac
145 
146 # N.B. Must use temp file to avoid pipe; pipe loses status.
147 xtmp=${TMPDIR-/tmp}/9c.$$.$USER.out
148 $cc -DPLAN9PORT -I$PLAN9/include $cflags "$@" 2>$xtmp
149 status=$?
150 quiet $xtmp
151 rm -f $xtmp
152 exit $status