autoconf: Attempt to figure out the PIC flags for the platform
[mesa.git] / configure.ac
1 dnl Process this file with autoconf to create configure.
2
3 AC_PREREQ([2.59])
4
5 dnl Versioning - scrape the version from configs/default
6 m4_define([mesa_version],
7 [m4_esyscmd([${MAKE-make} -s -f bin/version.mk version | tr -d '\n'])])
8 m4_ifval(mesa_version,[],[
9 m4_errprint([Error: Failed to get the Mesa version from the output of
10 running `make -f bin/version.mk version'
11 ])
12 m4_exit([1])
13 ])
14
15 AC_INIT([Mesa],[mesa_version],
16 [https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa])
17 AC_CONFIG_AUX_DIR([bin])
18 AC_CANONICAL_HOST
19
20 dnl Versions for external dependencies
21 LIBDRM_REQUIRED=2.3.1
22 DRI2PROTO_REQUIRED=1.1
23
24 dnl Check for progs
25 AC_PROG_CPP
26 AC_PROG_CC
27 AC_PROG_CXX
28 AC_CHECK_PROGS([MAKE], [gmake make])
29 AC_PATH_PROG([MKDEP], [makedepend])
30 AC_PATH_PROG([SED], [sed])
31
32 MKDEP_OPTIONS=-fdepend
33 dnl Ask gcc where it's keeping its secret headers
34 if test "x$GCC" = xyes; then
35 GCC_INCLUDES=`$CC -print-file-name=include`
36 if test "x$GCC_INCLUDES" != x; then
37 MKDEP_OPTIONS="$MKDEP_OPTIONS -I$GCC_INCLUDES"
38 fi
39 fi
40 AC_SUBST([MKDEP_OPTIONS])
41
42 dnl Check to see if dlopen is in default libraries (like Solaris, which
43 dnl has it in libc), or if libdl is needed to get it.
44 AC_CHECK_FUNC([dlopen], [],
45 [AC_CHECK_LIB([dl], [dlopen], [DLOPEN_LIBS="-ldl"])])
46
47 dnl Make sure the pkg-config macros are defined
48 m4_ifdef([PKG_PROG_PKG_CONFIG],[],[
49 m4_errprint([Error: Could not locate the pkg-config autoconf macros.
50 These are usually located in /usr/share/aclocal/pkg.m4. If your
51 macros are in a different location, try setting the environment
52 variable ACLOCAL="aclocal -I/other/macro/dir" before running
53 autoreconf.
54 ])
55 m4_exit([1])
56 ])
57 PKG_PROG_PKG_CONFIG()
58
59 dnl LIB_DIR - library basename
60 LIB_DIR=`echo $libdir | $SED 's%.*/%%'`
61 AC_SUBST([LIB_DIR])
62
63 dnl Cache LDFLAGS so we can add EXTRA_LIB_PATH and restore it later
64 _SAVE_LDFLAGS="$LDFLAGS"
65 AC_ARG_VAR([EXTRA_LIB_PATH],[Extra -L paths for the linker])
66 AC_SUBST([EXTRA_LIB_PATH])
67
68 dnl Cache CPPFLAGS so we can add *_INCLUDES and restore it later
69 _SAVE_CPPFLAGS="$CPPFLAGS"
70 AC_ARG_VAR([X11_INCLUDES],[Extra -I paths for X11 headers])
71 AC_SUBST([X11_INCLUDES])
72
73 dnl Compiler macros
74 DEFINES=""
75 AC_SUBST([DEFINES])
76 case "$host_os" in
77 linux*)
78 if test "x$GCC" = xyes; then
79 DEFINES="$DEFINES -D_POSIX_SOURCE -D_POSIX_C_SOURCE=199309L -D_BSD_SOURCE"
80 fi
81 DEFINES="$DEFINES -D_SVID_SOURCE -D_GNU_SOURCE -DPTHREADS -DHAVE_POSIX_MEMALIGN"
82 ;;
83 esac
84
85 dnl Add flags for gcc and g++
86 if test "x$GCC" = xyes; then
87 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes -std=c99 -ffast-math"
88
89 # Work around aliasing bugs - developers should comment this out
90 CFLAGS="$CFLAGS -fno-strict-aliasing"
91 fi
92 if test "x$GXX" = xyes; then
93 CXXFLAGS="$CXXFLAGS -Wall"
94
95 # Work around aliasing bugs - developers should comment this out
96 CXXFLAGS="$CXXFLAGS -fno-strict-aliasing"
97 fi
98
99 dnl These should be unnecessary, but let the user set them if they want
100 AC_ARG_VAR([OPT_FLAGS], [Additional optimization flags for the compiler.
101 Default is to use CFLAGS.])
102 AC_ARG_VAR([ARCH_FLAGS], [Additional architecture specific flags for the
103 compiler. Default is to use CFLAGS.])
104 AC_SUBST([OPT_FLAGS])
105 AC_SUBST([ARCH_FLAGS])
106
107 dnl
108 dnl Hacks to enable 32 or 64 bit build
109 dnl
110 AC_ARG_ENABLE([32-bit],
111 [AS_HELP_STRING([--enable-32-bit],
112 [build 32-bit libraries @<:@default=auto@:>@])],
113 [enable_32bit="$enableval"],
114 [enable_32bit=auto]
115 )
116 if test "x$enable_32bit" = xyes; then
117 if test "x$GCC" = xyes; then
118 CFLAGS="$CFLAGS -m32"
119 fi
120 if test "x$GXX" = xyes; then
121 CXXFLAGS="$CXXFLAGS -m32"
122 fi
123 fi
124 AC_ARG_ENABLE([64-bit],
125 [AS_HELP_STRING([--enable-64-bit],
126 [build 64-bit libraries @<:@default=auto@:>@])],
127 [enable_64bit="$enableval"],
128 [enable_64bit=auto]
129 )
130 if test "x$enable_64bit" = xyes; then
131 if test "x$GCC" = xyes; then
132 CFLAGS="$CFLAGS -m64"
133 fi
134 if test "x$GXX" = xyes; then
135 CXXFLAGS="$CXXFLAGS -m64"
136 fi
137 fi
138
139 dnl
140 dnl shared/static libraries, mimic libtool options
141 dnl
142 AC_ARG_ENABLE([static],
143 [AS_HELP_STRING([--enable-static],
144 [build static libraries @<:@default=disabled@:>@])],
145 [enable_static="$enableval"],
146 [enable_static=no]
147 )
148 case "x$enable_static" in
149 xyes|xno ) ;;
150 x ) enable_static=no ;;
151 * )
152 AC_MSG_ERROR([Static library option '$enable_static' is not a valid])
153 ;;
154 esac
155 AC_ARG_ENABLE([shared],
156 [AS_HELP_STRING([--disable-shared],
157 [build shared libraries @<:@default=enabled@:>@])],
158 [enable_shared="$enableval"],
159 [enable_shared=yes]
160 )
161 case "x$enable_shared" in
162 xyes|xno ) ;;
163 x ) enable_shared=yes ;;
164 * )
165 AC_MSG_ERROR([Shared library option '$enable_shared' is not a valid])
166 ;;
167 esac
168
169 dnl Can't have static and shared libraries, default to static if user
170 dnl explicitly requested. If both disabled, set to static since shared
171 dnl was explicitly requirested.
172 case "x$enable_static$enable_shared" in
173 xyesyes )
174 AC_MSG_WARN([Can't build static and shared libraries, disabling shared])
175 enable_shared=no
176 ;;
177 xnono )
178 AC_MSG_WARN([Can't disable both static and shared libraries, enabling static])
179 enable_static=yes
180 ;;
181 esac
182
183 dnl
184 dnl mklib options
185 dnl
186 AC_ARG_VAR([MKLIB_OPTIONS],[Options for the Mesa library script, mklib])
187 if test "$enable_static" = yes; then
188 MKLIB_OPTIONS="$MKLIB_OPTIONS -static"
189 fi
190 AC_SUBST([MKLIB_OPTIONS])
191
192 dnl
193 dnl other compiler options
194 dnl
195 AC_ARG_ENABLE([debug],
196 [AS_HELP_STRING([--enable-debug],
197 [use debug compiler flags and macros @<:@default=disabled@:>@])],
198 [enable_debug="$enableval"],
199 [enable_debug=no]
200 )
201 if test "x$enable_debug" = xyes; then
202 DEFINES="$DEFINES -DDEBUG"
203 if test "x$GCC" = xyes; then
204 CFLAGS="$CFLAGS -g"
205 fi
206 if test "x$GXX" = xyes; then
207 CXXFLAGS="$CXXFLAGS -g"
208 fi
209 fi
210
211 dnl
212 dnl library names
213 dnl
214 if test "$enable_static" = yes; then
215 GL_LIB_NAME='lib$(GL_LIB).a'
216 GLU_LIB_NAME='lib$(GLU_LIB).a'
217 GLUT_LIB_NAME='lib$(GLUT_LIB).a'
218 GLW_LIB_NAME='lib$(GLW_LIB).a'
219 OSMESA_LIB_NAME='lib$(OSMESA_LIB).a'
220 else
221 GL_LIB_NAME='lib$(GL_LIB).so'
222 GLU_LIB_NAME='lib$(GLU_LIB).so'
223 GLUT_LIB_NAME='lib$(GLUT_LIB).so'
224 GLW_LIB_NAME='lib$(GLW_LIB).so'
225 OSMESA_LIB_NAME='lib$(OSMESA_LIB).so'
226 fi
227 AC_SUBST([GL_LIB_NAME])
228 AC_SUBST([GLU_LIB_NAME])
229 AC_SUBST([GLUT_LIB_NAME])
230 AC_SUBST([GLW_LIB_NAME])
231 AC_SUBST([OSMESA_LIB_NAME])
232
233 dnl
234 dnl Driver configuration. Options are xlib, dri and osmesa right now.
235 dnl More later: directfb, fbdev, ...
236 dnl
237 default_driver="xlib"
238
239 case "$host_os" in
240 linux*)
241 case "$host_cpu" in
242 i*86|x86_64|powerpc*) default_driver="dri";;
243 esac
244 ;;
245 freebsd* | dragonfly*)
246 case "$host_cpu" in
247 i*86|x86_64) default_driver="dri";;
248 esac
249 ;;
250 esac
251
252 AC_ARG_WITH([driver],
253 [AS_HELP_STRING([--with-driver=DRIVER],
254 [driver for Mesa: xlib,dri,osmesa @<:@default=dri when available, or xlib@:>@])],
255 [mesa_driver="$withval"],
256 [mesa_driver="$default_driver"])
257 dnl Check for valid option
258 case "x$mesa_driver" in
259 xxlib|xdri|xosmesa)
260 ;;
261 *)
262 AC_MSG_ERROR([Driver '$mesa_driver' is not a valid option])
263 ;;
264 esac
265
266 dnl
267 dnl Driver specific build directories
268 dnl
269 SRC_DIRS="mesa"
270 GLU_DIRS="sgi"
271 WINDOW_SYSTEM=""
272 case "$mesa_driver" in
273 xlib)
274 DRIVER_DIRS="x11"
275 ;;
276 dri)
277 SRC_DIRS="glx/x11 $SRC_DIRS"
278 DRIVER_DIRS="dri"
279 WINDOW_SYSTEM="dri"
280 ;;
281 osmesa)
282 DRIVER_DIRS="osmesa"
283 ;;
284 esac
285 AC_SUBST([SRC_DIRS])
286 AC_SUBST([GLU_DIRS])
287 AC_SUBST([DRIVER_DIRS])
288 AC_SUBST([WINDOW_SYSTEM])
289
290 dnl
291 dnl User supplied program configuration
292 dnl
293 if test -d "$srcdir/progs/demos"; then
294 default_demos=yes
295 else
296 default_demos=no
297 fi
298 AC_ARG_WITH([demos],
299 [AS_HELP_STRING([--with-demos@<:@=DIRS...@:>@],
300 [optional comma delimited demo directories to build
301 @<:@default=auto if source available@:>@])],
302 [with_demos="$withval"],
303 [with_demos="$default_demos"])
304 if test "x$with_demos" = x; then
305 with_demos=no
306 fi
307
308 dnl If $with_demos is yes, directories will be added as libs available
309 PROGRAM_DIRS=""
310 case "$with_demos" in
311 no) ;;
312 yes)
313 # If the driver isn't osmesa, we have libGL and can build xdemos
314 if test "$mesa_driver" != osmesa; then
315 PROGRAM_DIRS="xdemos"
316 fi
317 ;;
318 *)
319 # verify the requested demos directories exist
320 demos=`IFS=,; echo $with_demos`
321 for demo in $demos; do
322 test -d "$srcdir/progs/$demo" || \
323 AC_MSG_ERROR([Program directory '$demo' doesn't exist])
324 done
325 PROGRAM_DIRS="$demos"
326 ;;
327 esac
328
329 dnl
330 dnl Find out if X is available. The variable have_x is set if libX11 is
331 dnl to mimic AC_PATH_XTRA.
332 dnl
333 if test -n "$PKG_CONFIG"; then
334 AC_MSG_CHECKING([pkg-config files for X11 are available])
335 PKG_CHECK_EXISTS([x11],[
336 x11_pkgconfig=yes
337 have_x=yes
338 ],[
339 x11_pkgconfig=no
340 ])
341 AC_MSG_RESULT([$x11_pkgconfig])
342 else
343 x11_pkgconfig=no
344 fi
345 dnl Use the autoconf macro if no pkg-config files
346 if test "$x11_pkgconfig" = no; then
347 AC_PATH_XTRA
348 fi
349
350 dnl We need X for xlib and dri, so bomb now if it's not found
351 case "$mesa_driver" in
352 xlib|dri)
353 if test "$no_x" = yes; then
354 AC_MSG_ERROR([X11 development libraries needed for $mesa_driver driver])
355 fi
356 ;;
357 esac
358
359 # SELinux awareness.
360 AC_ARG_ENABLE([selinux],
361 [AS_HELP_STRING([--enable-selinux],
362 [Build SELinux-aware Mesa (default: disabled)])],
363 [MESA_SELINUX="$enableval"],
364 [MESA_SELINUX=no])
365 if test "x$enable_selinux" = "xyes"; then
366 AC_CHECK_HEADER([selinux/selinux.h],[],
367 [AC_MSG_ERROR([SELinux headers not found])])
368 AC_CHECK_LIB([selinux],[is_selinux_enabled],[],
369 [AC_MSG_ERROR([SELinux library not found])])
370 SELINUX_LIBS="-lselinux"
371 DEFINES="$DEFINES -DMESA_SELINUX"
372 fi
373
374 dnl
375 dnl libGL configuration per driver
376 dnl
377 case "$mesa_driver" in
378 xlib)
379 if test "$x11_pkgconfig" = yes; then
380 PKG_CHECK_MODULES([XLIBGL], [x11 xext])
381 X11_INCLUDES="$X11_INCLUDES $XLIBGL_CFLAGS"
382 GL_LIB_DEPS="$XLIBGL_LIBS"
383 else
384 # should check these...
385 X11_INCLUDES="$X11_INCLUDES $X_CFLAGS"
386 GL_LIB_DEPS="$X_LIBS -lX11 -lXext"
387 fi
388 GL_LIB_DEPS="$GL_LIB_DEPS $SELINUX_LIBS -lm -lpthread"
389
390 # if static, move the external libraries to the programs
391 # and empty the libraries for libGL
392 if test "$enable_static" = yes; then
393 APP_LIB_DEPS="$APP_LIB_DEPS $GL_LIB_DEPS"
394 GL_LIB_DEPS=""
395 fi
396 ;;
397 dri)
398 # DRI must be shared, I think
399 if test "$enable_static" = yes; then
400 AC_MSG_ERROR([Can't use static libraries for DRI drivers])
401 fi
402
403 # Check for libdrm
404 PKG_CHECK_MODULES([LIBDRM], [libdrm >= $LIBDRM_REQUIRED])
405 PKG_CHECK_MODULES([DRI2PROTO], [dri2proto >= $DRI2PROTO_REQUIRED])
406
407 # find the DRI deps for libGL
408 if test "$x11_pkgconfig" = yes; then
409 PKG_CHECK_MODULES([DRIGL], [x11 xext xxf86vm xdamage xfixes])
410 X11_INCLUDES="$X11_INCLUDES $DRIGL_CFLAGS"
411 GL_LIB_DEPS="$DRIGL_LIBS"
412 else
413 # should check these...
414 X11_INCLUDES="$X11_INCLUDES $X_CFLAGS"
415 GL_LIB_DEPS="$X_LIBS -lX11 -lXext -lXxf86vm -lXdamage -lXfixes"
416 fi
417
418 # need DRM libs, -lpthread, etc.
419 GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm -lpthread $DLOPEN_LIBS"
420 ;;
421 osmesa)
422 # No libGL for osmesa
423 GL_LIB_DEPS=""
424 ;;
425 esac
426 AC_SUBST([GL_LIB_DEPS])
427
428 dnl
429 dnl More X11 setup
430 dnl
431 if test "$mesa_driver" = xlib; then
432 DEFINES="$DEFINES -DUSE_XSHM"
433 fi
434
435 dnl
436 dnl More DRI setup
437 dnl
438 AC_ARG_ENABLE([glx-tls],
439 [AS_HELP_STRING([--enable-glx-tls],
440 [enable TLS support in GLX @<:@default=disabled@:>@])],
441 [GLX_USE_TLS="$enableval"],
442 [GLX_USE_TLS=no])
443 dnl Directory for DRI drivers
444 AC_ARG_WITH([dri-driverdir],
445 [AS_HELP_STRING([--with-dri-driverdir=DIR],
446 [directory for the DRI drivers @<:@/usr/X11R6/lib/modules/dri@:>@])],
447 [DRI_DRIVER_INSTALL_DIR="$withval"],
448 [DRI_DRIVER_INSTALL_DIR='/usr/X11R6/lib/modules/dri'])
449 AC_SUBST([DRI_DRIVER_INSTALL_DIR])
450 dnl Direct rendering or just indirect rendering
451 AC_ARG_ENABLE([driglx-direct],
452 [AS_HELP_STRING([--disable-driglx-direct],
453 [enable direct rendering in GLX for DRI @<:@default=enabled@:>@])],
454 [driglx_direct="$enableval"],
455 [driglx_direct="yes"])
456
457 dnl Which drivers to build - default is chosen by platform
458 AC_ARG_WITH([dri-drivers],
459 [AS_HELP_STRING([--with-dri-drivers@<:@=DIRS...@:>@],
460 [comma delimited DRI drivers, e.g. "i965,radeon,nouveau" @<:@default=auto@:>@])],
461 [with_dri_drivers="$withval"],
462 [with_dri_drivers=yes])
463 if test "x$with_dri_drivers" = x; then
464 with_dri_drivers=no
465 fi
466
467 dnl If $with_dri_drivers is yes, directories will be added through
468 dnl platform checks
469 DRI_DIRS=""
470 case "$with_dri_drivers" in
471 no|yes) ;;
472 *)
473 # verify the requested driver directories exist
474 dri_drivers=`IFS=,; echo $with_dri_drivers`
475 for driver in $dri_drivers; do
476 test -d "$srcdir/src/mesa/drivers/dri/$driver" || \
477 AC_MSG_ERROR([DRI driver directory '$driver' doesn't exist])
478 done
479 DRI_DIRS="$dri_drivers"
480 ;;
481 esac
482
483 dnl Just default to no EGL for now
484 USING_EGL=0
485 AC_SUBST([USING_EGL])
486
487 dnl Set DRI_DIRS, DEFINES and LIB_DEPS
488 if test "$mesa_driver" = dri; then
489 # Use TLS in GLX?
490 if test "x$GLX_USE_TLS" = xyes; then
491 DEFINES="$DEFINES -DGLX_USE_TLS -DPTHREADS"
492 fi
493
494 if test "x$USING_EGL" = x1; then
495 PROGRAM_DIRS="egl"
496 fi
497
498 # Platform specific settings and drivers to build
499 case "$host_os" in
500 linux*)
501 DEFINES="$DEFINES -DUSE_EXTERNAL_DXTN_LIB=1 -DIN_DRI_DRIVER"
502 DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING -DHAVE_ALIAS"
503 if test "x$driglx_direct" = xyes; then
504 DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
505 fi
506
507 case "$host_cpu" in
508 x86_64)
509 # ffb, gamma, and sis are missing because they have not be
510 # converted to use the new interface. i810 are missing
511 # because there is no x86-64 system where they could *ever*
512 # be used.
513 if test "x$DRI_DIRS" = x; then
514 DRI_DIRS="i915 i965 mach64 mga r128 r200 r300 radeon \
515 savage tdfx unichrome"
516 fi
517 ;;
518 powerpc*)
519 # Build only the drivers for cards that exist on PowerPC.
520 # At some point MGA will be added, but not yet.
521 if test "x$DRI_DIRS" = x; then
522 DRI_DIRS="mach64 r128 r200 r300 radeon tdfx"
523 fi
524 ;;
525 esac
526 ;;
527 freebsd* | dragonfly*)
528 DEFINES="$DEFINES -DPTHREADS -DUSE_EXTERNAL_DXTN_LIB=1"
529 DEFINES="$DEFINES -DIN_DRI_DRIVER -DHAVE_ALIAS"
530 DEFINES="$DEFINES -DGLX_INDIRECT_RENDERING"
531 if test "x$driglx_direct" = xyes; then
532 DEFINES="$DEFINES -DGLX_DIRECT_RENDERING"
533 fi
534 if test "x$GXX" = xyes; then
535 CXXFLAGS="$CXXFLAGS -ansi -pedantic"
536 fi
537
538 # ffb and gamma are missing because they have not been converted
539 # to use the new interface.
540 if test "x$DRI_DIRS" = x; then
541 DRI_DIRS="i810 i915 i965 mach64 mga r128 r200 r300 radeon tdfx \
542 unichrome savage sis"
543 fi
544 ;;
545 esac
546
547 # default drivers
548 if test "x$DRI_DIRS" = x; then
549 DRI_DIRS="i810 i915 i965 mach64 mga r128 r200 r300 radeon s3v \
550 savage sis tdfx trident unichrome ffb"
551 fi
552
553 DRI_DIRS=`echo "$DRI_DIRS" | $SED 's/ */ /g'`
554
555 # Check for expat
556 EXPAT_INCLUDES=""
557 EXPAT_LIB=-lexpat
558 AC_ARG_WITH([expat],
559 [AS_HELP_STRING([--with-expat=DIR],
560 [expat install directory])],[
561 EXPAT_INCLUDES="-I$withval/include"
562 CPPFLAGS="$CPPFLAGS $EXPAT_INCLUDES"
563 LDFLAGS="$LDFLAGS -L$withval/$LIB_DIR"
564 EXPAT_LIB="-L$withval/$LIB_DIR -lexpat"
565 ])
566 AC_CHECK_HEADER([expat.h],[],[AC_MSG_ERROR([Expat required for DRI.])])
567 AC_CHECK_LIB([expat],[XML_ParserCreate],[],
568 [AC_MSG_ERROR([Expat required for DRI.])])
569
570 # put all the necessary libs together
571 DRI_LIB_DEPS="$SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread $DLOPEN_LIBS"
572 fi
573 AC_SUBST([DRI_DIRS])
574 AC_SUBST([EXPAT_INCLUDES])
575 AC_SUBST([DRI_LIB_DEPS])
576
577 dnl
578 dnl OSMesa configuration
579 dnl
580 if test "$mesa_driver" = xlib; then
581 default_gl_osmesa=yes
582 else
583 default_gl_osmesa=no
584 fi
585 AC_ARG_ENABLE([gl-osmesa],
586 [AS_HELP_STRING([--enable-gl-osmesa],
587 [enable OSMesa on libGL @<:@default=enabled for xlib driver@:>@])],
588 [gl_osmesa="$enableval"],
589 [gl_osmesa="$default_gl_osmesa"])
590 if test "x$gl_osmesa" = xyes; then
591 if test "$mesa_driver" = osmesa; then
592 AC_MSG_ERROR([libGL is not available for OSMesa driver])
593 else
594 DRIVER_DIRS="$DRIVER_DIRS osmesa"
595 fi
596 fi
597
598 dnl Configure the channel bits for OSMesa (libOSMesa, libOSMesa16, ...)
599 AC_ARG_WITH([osmesa-bits],
600 [AS_HELP_STRING([--with-osmesa-bits=BITS],
601 [OSMesa channel bits and library name: 8, 16, 32 @<:@default=8@:>@])],
602 [osmesa_bits="$withval"],
603 [osmesa_bits=8])
604 if test "$mesa_driver" != osmesa && test "x$osmesa_bits" != x8; then
605 AC_MSG_WARN([Ignoring OSMesa channel bits for non-OSMesa driver])
606 osmesa_bits=8
607 fi
608 case "x$osmesa_bits" in
609 x8)
610 OSMESA_LIB=OSMesa
611 ;;
612 x16|x32)
613 OSMESA_LIB="OSMesa$osmesa_bits"
614 DEFINES="$DEFINES -DCHAN_BITS=$osmesa_bits -DDEFAULT_SOFTWARE_DEPTH_BITS=31"
615 ;;
616 *)
617 AC_MSG_ERROR([OSMesa bits '$osmesa_bits' is not a valid option])
618 ;;
619 esac
620 AC_SUBST([OSMESA_LIB])
621
622 case "$mesa_driver" in
623 osmesa)
624 # only link librararies with osmesa if shared
625 if test "$enable_static" = no; then
626 OSMESA_LIB_DEPS="-lm -lpthread $SELINUX_LIBS"
627 else
628 OSMESA_LIB_DEPS=""
629 fi
630 OSMESA_MESA_DEPS=""
631 ;;
632 *)
633 # Link OSMesa to libGL otherwise
634 OSMESA_LIB_DEPS=""
635 # only link librararies with osmesa if shared
636 if test "$enable_static" = no; then
637 OSMESA_MESA_DEPS='-l$(GL_LIB)'
638 else
639 OSMESA_MESA_DEPS=""
640 fi
641 ;;
642 esac
643 AC_SUBST([OSMESA_LIB_DEPS])
644 AC_SUBST([OSMESA_MESA_DEPS])
645
646 dnl
647 dnl GLcore configuration
648 dnl
649 # delay pkg-config checks until `make glcore' run
650 XORG_CFLAGS='`pkg-config --cflags xorg-server`'
651 GLCORE_LIB_DEPS='-lm -lpthread'
652 if test "$mesa_driver" = dri; then
653 GLCORE_LIB_DEPS="$GLCORE_LIB_DEPS $DLOPEN_LIBS"
654 fi
655 AC_SUBST([XORG_CFLAGS])
656 AC_SUBST([GLCORE_LIB_DEPS])
657
658 dnl
659 dnl GLU configuration
660 dnl
661 AC_ARG_ENABLE([glu],
662 [AS_HELP_STRING([--disable-glu],
663 [enable OpenGL Utility library @<:@default=enabled@:>@])],
664 [enable_glu="$enableval"],
665 [enable_glu=yes])
666 if test "x$enable_glu" = xyes; then
667 SRC_DIRS="$SRC_DIRS glu"
668
669 case "$mesa_driver" in
670 osmesa)
671 # If GLU is available and we have libOSMesa (not 16 or 32),
672 # we can build the osdemos
673 if test "$with_demos" = yes && test "$osmesa_bits" = 8; then
674 PROGRAM_DIRS="$PROGRAM_DIRS osdemos"
675 fi
676
677 # Link libGLU to libOSMesa instead of libGL
678 GLU_LIB_DEPS=""
679 if test "$enable_static" = no; then
680 GLU_MESA_DEPS='-l$(OSMESA_LIB)'
681 else
682 GLU_MESA_DEPS=""
683 fi
684 ;;
685 *)
686 # If static, empty GLU_LIB_DEPS and add libs for programs to link
687 if test "$enable_static" = no; then
688 GLU_LIB_DEPS="-lm"
689 GLU_MESA_DEPS='-l$(GL_LIB)'
690 else
691 GLU_LIB_DEPS=""
692 GLU_MESA_DEPS=""
693 APP_LIB_DEPS="$APP_LIB_DEPS -lstdc++"
694 fi
695 ;;
696 esac
697 fi
698 AC_SUBST([GLU_LIB_DEPS])
699 AC_SUBST([GLU_MESA_DEPS])
700
701 dnl
702 dnl GLw configuration
703 dnl
704 AC_ARG_ENABLE([glw],
705 [AS_HELP_STRING([--disable-glw],
706 [enable Xt/Motif widget library @<:@default=enabled@:>@])],
707 [enable_glw="$enableval"],
708 [enable_glw=yes])
709 dnl Don't build GLw on osmesa
710 if test "x$enable_glw" = xyes && test "$mesa_driver" = osmesa; then
711 AC_MSG_WARN([Disabling GLw since the driver is OSMesa])
712 enable_glw=no
713 fi
714 if test "x$enable_glw" = xyes; then
715 SRC_DIRS="$SRC_DIRS glw"
716 if test "$x11_pkgconfig" = yes; then
717 PKG_CHECK_MODULES([GLW],[x11 xt])
718 GLW_LIB_DEPS="$GLW_LIBS"
719 else
720 # should check these...
721 GLW_LIB_DEPS="$X_LIBS -lX11 -lXt"
722 fi
723
724 # If static, empty GLW_LIB_DEPS and add libs for programs to link
725 if test "$enable_static" = no; then
726 GLW_MESA_DEPS='-l$(GL_LIB)'
727 else
728 APP_LIB_DEPS="$APP_LIB_DEPS $GLW_LIB_DEPS"
729 GLW_LIB_DEPS=""
730 GLW_MESA_DEPS=""
731 fi
732 fi
733 AC_SUBST([GLW_LIB_DEPS])
734 AC_SUBST([GLW_MESA_DEPS])
735
736 dnl
737 dnl GLUT configuration
738 dnl
739 if test -f "$srcdir/include/GL/glut.h"; then
740 default_glut=yes
741 else
742 default_glut=no
743 fi
744 AC_ARG_ENABLE([glut],
745 [AS_HELP_STRING([--disable-glut],
746 [enable GLUT library @<:@default=enabled if source available@:>@])],
747 [enable_glut="$enableval"],
748 [enable_glut="$default_glut"])
749
750 dnl Can't build glut if GLU not available
751 if test "x$enable_glu$enable_glut" = xnoyes; then
752 AC_MSG_WARN([Disabling glut since GLU is disabled])
753 enable_glut=no
754 fi
755 dnl Don't build glut on osmesa
756 if test "x$enable_glut" = xyes && test "$mesa_driver" = osmesa; then
757 AC_MSG_WARN([Disabling glut since the driver is OSMesa])
758 enable_glut=no
759 fi
760
761 if test "x$enable_glut" = xyes; then
762 SRC_DIRS="$SRC_DIRS glut/glx"
763 GLUT_CFLAGS=""
764 if test "x$GCC" = xyes; then
765 GLUT_CFLAGS="-fexceptions"
766 fi
767 if test "$x11_pkgconfig" = yes; then
768 PKG_CHECK_MODULES([GLUT],[x11 xmu xi])
769 GLUT_LIB_DEPS="$GLUT_LIBS"
770 else
771 # should check these...
772 GLUT_LIB_DEPS="$X_LIBS -lX11 -lXmu -lXi"
773 fi
774 GLUT_LIB_DEPS="$GLUT_LIB_DEPS -lm"
775
776 # If glut is available, we can build most programs
777 if test "$with_demos" = yes; then
778 PROGRAM_DIRS="$PROGRAM_DIRS demos redbook samples glsl"
779 fi
780
781 # If static, empty GLUT_LIB_DEPS and add libs for programs to link
782 if test "$enable_static" = no; then
783 GLUT_MESA_DEPS='-l$(GLU_LIB) -l$(GL_LIB)'
784 else
785 APP_LIB_DEPS="$APP_LIB_DEPS $GLUT_LIB_DEPS"
786 GLUT_LIB_DEPS=""
787 GLUT_MESA_DEPS=""
788 fi
789 fi
790 AC_SUBST([GLUT_LIB_DEPS])
791 AC_SUBST([GLUT_MESA_DEPS])
792 AC_SUBST([GLUT_CFLAGS])
793
794 dnl
795 dnl Program library dependencies
796 dnl Only libm is added here if necessary as the libraries should
797 dnl be pulled in by the linker
798 dnl
799 if test "x$APP_LIB_DEPS" = x; then
800 APP_LIB_DEPS="-lm"
801 fi
802 AC_SUBST([APP_LIB_DEPS])
803 AC_SUBST([PROGRAM_DIRS])
804
805 dnl
806 dnl Arch/platform-specific settings
807 dnl
808 AC_ARG_ENABLE([asm],
809 [AS_HELP_STRING([--disable-asm],
810 [disable assembly usage @<:@default=enabled on supported plaforms@:>@])],
811 [enable_asm="$enableval"],
812 [enable_asm=yes]
813 )
814 asm_arch=""
815 ASM_FLAGS=""
816 ASM_SOURCES=""
817 ASM_API=""
818 AC_MSG_CHECKING([whether to enable assembly])
819 test "x$enable_asm" = xno && AC_MSG_RESULT([no])
820 # disable if cross compiling on x86/x86_64 since we must run gen_matypes
821 if test "x$enable_asm" = xyes && test "x$cross_compiling" = xyes; then
822 case "$host_cpu" in
823 i?86 | x86_64)
824 enable_asm=no
825 AC_MSG_RESULT([no, cross compiling])
826 ;;
827 esac
828 fi
829 # check for supported arches
830 if test "x$enable_asm" = xyes; then
831 case "$host_cpu" in
832 i?86)
833 case "$host_os" in
834 linux* | freebsd* | dragonfly*)
835 test "x$enable_64bit" = xyes && asm_arch=x86_64 || asm_arch=x86
836 ;;
837 esac
838 ;;
839 x86_64)
840 case "$host_os" in
841 linux* | freebsd* | dragonfly*)
842 test "x$enable_32bit" = xyes && asm_arch=x86 || asm_arch=x86_64
843 ;;
844 esac
845 ;;
846 powerpc)
847 case "$host_os" in
848 linux*)
849 asm_arch=ppc
850 ;;
851 esac
852 ;;
853 esac
854
855 case "$asm_arch" in
856 x86)
857 ASM_FLAGS="-DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM"
858 ASM_SOURCES='$(X86_SOURCES)'
859 ASM_API='$(X86_API)'
860 AC_MSG_RESULT([yes, x86])
861 ;;
862 x86_64)
863 ASM_FLAGS="-DUSE_X86_64_ASM"
864 ASM_SOURCES='$(X86-64_SOURCES)'
865 ASM_API='$(X86-64_API)'
866 AC_MSG_RESULT([yes, x86_64])
867 ;;
868 ppc)
869 ASM_FLAGS="-DUSE_PPC_ASM -DUSE_VMX_ASM"
870 ASM_SOURCES='$(PPC_SOURCES)'
871 AC_MSG_RESULT([yes, ppc])
872 ;;
873 *)
874 AC_MSG_RESULT([no, platform not supported])
875 ;;
876 esac
877 fi
878 AC_SUBST([ASM_FLAGS])
879 AC_SUBST([ASM_SOURCES])
880 AC_SUBST([ASM_API])
881
882 dnl PIC code macro
883 MESA_PIC_FLAGS
884
885
886 dnl Restore LDFLAGS and CPPFLAGS
887 LDFLAGS="$_SAVE_LDFLAGS"
888 CPPFLAGS="$_SAVE_CPPFLAGS"
889
890 dnl Substitute the config
891 AC_CONFIG_FILES([configs/autoconf])
892
893 dnl Replace the configs/current symlink
894 AC_CONFIG_COMMANDS([configs],[
895 if test -f configs/current || test -L configs/current; then
896 rm -f configs/current
897 fi
898 ln -s autoconf configs/current
899 ])
900
901 AC_OUTPUT
902
903 dnl
904 dnl Output some configuration info for the user
905 dnl
906 echo ""
907 echo " prefix: $prefix"
908 echo " exec_prefix: $exec_prefix"
909 echo " libdir: $libdir"
910
911 dnl Driver info
912 echo ""
913 echo " Driver: $mesa_driver"
914 if echo "$DRIVER_DIRS" | grep 'osmesa' >/dev/null 2>&1; then
915 echo " OSMesa: lib$OSMESA_LIB"
916 else
917 echo " OSMesa: no"
918 fi
919 if test "$mesa_driver" = dri; then
920 # cleanup the drivers var
921 dri_dirs=`echo $DRI_DIRS | $SED 's/^ *//;s/ */ /;s/ *$//'`
922 echo " DRI drivers: $dri_dirs"
923 echo " DRI driver dir: $DRI_DRIVER_INSTALL_DIR"
924 fi
925
926 dnl Libraries
927 echo ""
928 echo " Shared libs: $enable_shared"
929 echo " Static libs: $enable_static"
930 echo " GLU: $enable_glu"
931 echo " GLw: $enable_glw"
932 echo " glut: $enable_glut"
933
934 dnl Programs
935 # cleanup the programs var for display
936 program_dirs=`echo $PROGRAM_DIRS | $SED 's/^ *//;s/ */ /;s/ *$//'`
937 if test "x$program_dirs" = x; then
938 echo " Demos: no"
939 else
940 echo " Demos: $program_dirs"
941 fi
942
943 dnl Compiler options
944 # cleanup the CFLAGS/CXXFLAGS/DEFINES vars
945 cflags=`echo $CFLAGS $OPT_FLAGS $PIC_FLAGS $ARCH_FLAGS | \
946 $SED 's/^ *//;s/ */ /;s/ *$//'`
947 cxxflags=`echo $CXXFLAGS $OPT_FLAGS $PIC_FLAGS $ARCH_FLAGS | \
948 $SED 's/^ *//;s/ */ /;s/ *$//'`
949 defines=`echo $DEFINES $ASM_FLAGS | $SED 's/^ *//;s/ */ /;s/ *$//'`
950 echo ""
951 echo " CFLAGS: $cflags"
952 echo " CXXFLAGS: $cxxflags"
953 echo " Macros: $defines"
954
955 echo ""
956 echo " Run '${MAKE-make}' to build Mesa"
957 echo ""