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ef416fc2 | 1 | dnl |
2 | dnl "$Id: cups-compiler.m4 4915 2006-01-11 15:57:53Z mike $" | |
3 | dnl | |
4 | dnl Compiler stuff for the Common UNIX Printing System (CUPS). | |
5 | dnl | |
6 | dnl Copyright 1997-2006 by Easy Software Products, all rights reserved. | |
7 | dnl | |
8 | dnl These coded instructions, statements, and computer programs are the | |
9 | dnl property of Easy Software Products and are protected by Federal | |
10 | dnl copyright law. Distribution and use rights are outlined in the file | |
11 | dnl "LICENSE.txt" which should have been included with this file. If this | |
12 | dnl file is missing or damaged please contact Easy Software Products | |
13 | dnl at: | |
14 | dnl | |
15 | dnl Attn: CUPS Licensing Information | |
16 | dnl Easy Software Products | |
17 | dnl 44141 Airport View Drive, Suite 204 | |
18 | dnl Hollywood, Maryland 20636 USA | |
19 | dnl | |
20 | dnl Voice: (301) 373-9600 | |
21 | dnl EMail: cups-info@cups.org | |
22 | dnl WWW: http://www.cups.org | |
23 | dnl | |
24 | ||
25 | dnl Clear the debugging and non-shared library options unless the user asks | |
26 | dnl for them... | |
27 | OPTIM="" | |
28 | AC_SUBST(OPTIM) | |
29 | ||
30 | AC_ARG_ENABLE(debug, [ --enable-debug turn on debugging, default=no], | |
31 | [if test x$enable_debug = xyes; then | |
32 | OPTIM="-g" | |
33 | fi]) | |
34 | ||
35 | AC_ARG_WITH(optim, [ --with-optim="flags" set optimization flags ]) | |
36 | ||
37 | dnl Update compiler options... | |
38 | CXXLIBS="" | |
39 | AC_SUBST(CXXLIBS) | |
40 | ||
41 | if test -n "$GCC"; then | |
42 | if test -z "$OPTIM"; then | |
43 | if test "x$with_optim" = x; then | |
44 | # Default to optimize-for-size and debug | |
45 | OPTIM="-Os -g" | |
46 | else | |
47 | OPTIM="$with_optim $OPTIM" | |
48 | fi | |
49 | fi | |
50 | ||
51 | if test $PICFLAG = 1 -a $uname != AIX; then | |
52 | OPTIM="-fPIC $OPTIM" | |
53 | fi | |
54 | ||
55 | case $uname in | |
56 | Darwin*) | |
57 | if test "x$with_optim" = x; then | |
58 | if test "x`uname -m`" = xi386; then | |
59 | # Build universal binaries for OSX on Intel... | |
60 | OPTIM="-arch i386 -arch ppc $OPTIM" | |
61 | DSOFLAGS="-arch i386 -arch ppc $DSOFLAGS" | |
62 | fi | |
63 | fi | |
64 | ;; | |
65 | ||
66 | Linux*) | |
67 | AC_MSG_CHECKING(if GCC supports -fpie) | |
68 | ||
69 | OLDCFLAGS="$CFLAGS" | |
70 | CFLAGS="$CFLAGS -fpie" | |
71 | AC_TRY_COMPILE(,, | |
72 | OPTIM="$OPTIM -fpie" | |
73 | LDFLAGS="$LDFLAGS -pie" | |
74 | AC_MSG_RESULT(yes), | |
75 | CFLAGS="$OLDCFLAGS" | |
76 | AC_MSG_RESULT(no)) | |
77 | ;; | |
78 | esac | |
79 | ||
80 | if test "x$with_optim" = x; then | |
81 | # Add useful warning options for tracking down problems... | |
82 | OPTIM="-Wall -Wno-format-y2k $OPTIM" | |
83 | # Additional warning options for alpha testing... | |
84 | OPTIM="-Wshadow -Wunused $OPTIM" | |
85 | fi | |
86 | else | |
87 | case $uname in | |
88 | AIX*) | |
89 | if test -z "$OPTIM"; then | |
90 | if test "x$with_optim" = x; then | |
91 | OPTIM="-O2 -qmaxmem=6000" | |
92 | else | |
93 | OPTIM="$with_optim $OPTIM" | |
94 | fi | |
95 | fi | |
96 | ;; | |
97 | HP-UX*) | |
98 | if test -z "$OPTIM"; then | |
99 | if test "x$with_optim" = x; then | |
100 | OPTIM="+O2" | |
101 | else | |
102 | OPTIM="$with_optim $OPTIM" | |
103 | fi | |
104 | fi | |
105 | ||
106 | CFLAGS="-Ae $CFLAGS" | |
107 | ||
108 | if test "x$with_optim" = x; then | |
109 | OPTIM="+DAportable $OPTIM" | |
110 | fi | |
111 | ||
112 | if test $PICFLAG = 1; then | |
113 | OPTIM="+z $OPTIM" | |
114 | fi | |
115 | ;; | |
116 | IRIX) | |
117 | if test -z "$OPTIM"; then | |
118 | if test "x$with_optim" = x; then | |
119 | OPTIM="-O2" | |
120 | else | |
121 | OPTIM="$with_optim $OPTIM" | |
122 | fi | |
123 | fi | |
124 | ||
125 | if test $uversion -ge 62 -a "x$with_optim" = x; then | |
126 | OPTIM="$OPTIM -n32 -mips3" | |
127 | fi | |
128 | ||
129 | if test "x$with_optim" = x; then | |
130 | # Show most warnings, but suppress the | |
131 | # ones about arguments not being used, | |
132 | # string constants assigned to const | |
133 | # char *'s, etc. We only set the warning | |
134 | # options on IRIX 6.2 and higher because | |
135 | # of limitations in the older SGI compiler | |
136 | # tools. | |
137 | if test $uversion -ge 62; then | |
138 | OPTIM="-fullwarn -woff 1183,1209,1349,3201 $OPTIM" | |
139 | fi | |
140 | fi | |
141 | ;; | |
142 | SunOS*) | |
143 | # Solaris | |
144 | if test -z "$OPTIM"; then | |
145 | if test "x$with_optim" = x; then | |
146 | OPTIM="-xO4" | |
147 | else | |
148 | OPTIM="$with_optim $OPTIM" | |
149 | fi | |
150 | fi | |
151 | ||
152 | if test "x$with_optim" = x; then | |
153 | # Specify "generic" SPARC output and suppress | |
154 | # all of Sun's questionable warning messages... | |
155 | OPTIM="-w $OPTIM -xarch=generic" | |
156 | fi | |
157 | ||
158 | if test $PICFLAG = 1; then | |
159 | OPTIM="-KPIC $OPTIM" | |
160 | fi | |
161 | ;; | |
162 | UNIX_SVR*) | |
163 | # UnixWare | |
164 | if test -z "$OPTIM"; then | |
165 | if test "x$with_optim" = x; then | |
166 | OPTIM="-O" | |
167 | else | |
168 | OPTIM="$with_optim $OPTIM" | |
169 | fi | |
170 | fi | |
171 | ||
172 | if test $PICFLAG = 1; then | |
173 | OPTIM="-KPIC $OPTIM" | |
174 | fi | |
175 | ;; | |
176 | *) | |
177 | # Running some other operating system; inform the user they | |
178 | # should contribute the necessary options to | |
179 | # cups-support@cups.org... | |
180 | echo "Building CUPS with default compiler optimizations; contact" | |
181 | echo "cups-bugs@cups.org with uname and compiler options needed" | |
182 | echo "for your platform, or set the CFLAGS and CXXFLAGS" | |
183 | echo "environment variable before running configure." | |
184 | ;; | |
185 | esac | |
186 | fi | |
187 | ||
188 | if test $uname = HP-UX; then | |
189 | # HP-UX 10.20 (at least) needs this definition to get the | |
190 | # h_errno global... | |
191 | OPTIM="$OPTIM -D_XOPEN_SOURCE_EXTENDED" | |
192 | ||
193 | # HP-UX 11.00 (at least) needs this definition to get the | |
194 | # u_short type used by the IP headers... | |
195 | OPTIM="$OPTIM -D_INCLUDE_HPUX_SOURCE" | |
196 | fi | |
197 | ||
198 | dnl | |
199 | dnl End of "$Id: cups-compiler.m4 4915 2006-01-11 15:57:53Z mike $". | |
200 | dnl |