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 $CC9FLAGS"
29 	case "$cflags" in
30 	*sanitize=address*)
31 		cflags="$cflags -DPLAN9PORT_ASAN"
32 	esac
33 }
34 
35 quiet()
36 {
37 	# The uniq at the end is for gcc's strcmp/etc. built-in nonsense,
38 	# which multiplies single errors as a result of its expansion.
39 	# The "Cursor. is deprecated" kills off warnings from Apple
40 	# about using SetCursor/InitCursor.  (Okay, they're deprecated,
41 	# but you could at least tell us what to use instead, Apple!)
42 
43 	ignore=': error: .Each undeclared identifier'
44 	ignore=$ignore'|: error: for each function it appears'
45 	ignore=$ignore'|is dangerous, better use'
46 	ignore=$ignore'|is almost always misused'
47 	ignore=$ignore'|: In function '
48 	ignore=$ignore'|: At top level:'
49 	ignore=$ignore'|support .long long.'
50 	ignore=$ignore'|In file included from'
51 	ignore=$ignore'|        from'
52 	ignore=$ignore'|use of C99 long long'
53 	ignore=$ignore'|ISO C forbids conversion'
54 	ignore=$ignore'|marked deprecated'
55 	ignore=$ignore'|is deprecated'
56 	ignore=$ignore'|warn_unused_result'
57 	ignore=$ignore'|expanded from macro'
58 
59 	grep -v '__p9l_autolib_' $1 |
60 	egrep -v "$ignore" |
61 	sed 's/ .first use in this function.$//; s/\"\([^\"][^\"]*\)\", line \([0-9][0-9]*\)/\1:\2/g' |
62 	$(which uniq) 1>&2  # avoid built-in uniq on SunOS
63 }
64 
65 useclang()
66 {
67 	cc=${CC9:-clang}
68 	cflags=" \
69 		-O2 \
70 		-c \
71 		-Wall \
72 		-Wno-parentheses \
73 		-Wno-missing-braces \
74 		-Wno-switch \
75 		-Wno-comment \
76 		-Wno-sign-compare \
77 		-Wno-unknown-pragmas \
78 		-Wno-empty-body \
79 		-Wno-unused-value \
80 		-Wno-array-bounds \
81 		-Wno-gnu-designator \
82 		-Wno-array-bounds \
83 		-Wno-unneeded-internal-declaration \
84 		-fsigned-char \
85 		-fno-caret-diagnostics \
86 	"
87 	cflags="$cflags -g"
88 	cflags="$cflags $CC9FLAGS"
89 
90 	case "$cflags" in
91 	*sanitize=address*)
92 		cflags="$cflags -DPLAN9PORT_ASAN"
93 	esac
94 }
95 
96 usexlc()
97 {
98 	cc=${CC9:-xlc_r}
99 	cflags=" \
100 		-c \
101 		-O0 \
102 		-qmaxmem=-1 \
103 		-qsuppress=1506-236 \
104 		-qsuppress=1506-358 \
105 		-qsuppress=1500-010 \
106 		-qsuppress=1506-224 \
107 		-qsuppress=1506-1300 \
108 		-qsuppress=1506-342 \
109 	"
110 	cflags="$cflags -g -qfullpath"
111 	cflags="$cflags $CC9FLAGS"
112 }
113 
114 tag="${SYSNAME:-`uname`}-${OBJTYPE:-`uname -m`}-${CC9:-cc}"
115 case "$tag" in
116 *DragonFly*gcc*|*BSD*gcc*)	usegcc ;;
117 *DragonFly*clang|*BSD*clang*)	useclang ;;
118 *Darwin-x86_64*)
119 		useclang
120 		cflags="$cflags -g3 -m64"
121 		;;
122 *Darwin*clang*)
123 		useclang
124 		cflags="$cflags -g3 -m32"
125 		;;
126 *Darwin*)	usegcc
127 		cflags="$cflags -g3 -no-cpp-precomp -m32" ;;
128 *HP-UX*)	cc=${CC9:-cc}; cflags="-g -O -c -Ae" ;;
129 *Linux*)	usegcc
130 		case "${CC9:-gcc}" in
131 		tcc)
132 			cc=tcc
133 			cflags="-c -g"
134 			;;
135 		esac
136 		;;
137 *OSF1*)		cc=${CC9:-cc}; cflags="-g -O -c" ;;
138 *SunOS*-cc)	cc=cc;
139 		cflags="-mt -g -O -c -xCC -D__sun__"
140 		u=`uname`
141 		v=`uname -r`
142 		s=`echo $u$v | tr '. ' '__'`
143 		cflags="$cflags -D__${s}__"
144 		;;
145 *SunOS*-gcc)	usegcc
146 		u=`uname`
147 		v=`uname -r`
148 		s=`echo $u$v | tr '. ' '__'`
149 		cflags="$cflags -g"
150 		cflags="$cflags -D__sun__ -D__${s}__"
151 		;;
152 *AIX*)	usexlc
153 		cflags="$cflags -g -D__AIX__"
154 		;;
155 *)
156 	echo 9c does not know how to compile on "$tag" 1>&2
157 	exit 1
158 esac
159 
160 # N.B. Must use temp file to avoid pipe; pipe loses status.
161 xtmp=${TMPDIR-/tmp}/9c.$$.$USER.out
162 $cc -DPLAN9PORT -I$PLAN9/include $cflags "$@" 2>$xtmp
163 status=$?
164 quiet $xtmp
165 rm -f $xtmp
166 exit $status