1 dnl Copyright 2005 Red Hat, Inc.
3 dnl Permission to use, copy, modify, distribute, and sell this software and its
4 dnl documentation for any purpose is hereby granted without fee, provided that
5 dnl the above copyright notice appear in all copies and that both that
6 dnl copyright notice and this permission notice appear in supporting
7 dnl documentation, and that the name of Red Hat not be used in
8 dnl advertising or publicity pertaining to distribution of the software without
9 dnl specific, written prior permission. Red Hat makes no
10 dnl representations about the suitability of this software for any purpose. It
11 dnl is provided "as is" without express or implied warranty.
13 dnl RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
14 dnl INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
15 dnl EVENT SHALL RED HAT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
16 dnl CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
17 dnl DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
18 dnl TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
19 dnl PERFORMANCE OF THIS SOFTWARE.
21 dnl Process this file with autoconf to create configure.
25 # Pixman versioning scheme
27 # - The version in git has an odd MICRO version number
29 # - Released versions both development and stable have an even MICRO
32 # - Released development versions have an odd MINOR number
34 # - Released stable versions have an even MINOR number
36 # - Versions that break ABI must have a new MAJOR number
38 # - If you break the ABI, then at least this must be done:
42 # - In the first development release where you break ABI, find
43 # all instances of "pixman-n" and change them to pixman-(n+1)
45 # This needs to be done at least in
50 # This ensures that binary incompatible versions can be installed
51 # in parallel. See http://www106.pair.com/rhp/parallel.html for
55 m4_define([pixman_major], 0)
56 m4_define([pixman_minor], 17)
57 m4_define([pixman_micro], 1)
59 m4_define([pixman_version],[pixman_major.pixman_minor.pixman_micro])
61 AC_INIT(pixman, pixman_version, "sandmann@daimi.au.dk", pixman)
62 AM_INIT_AUTOMAKE([dist-bzip2])
64 AM_CONFIG_HEADER(config.h)
68 test_CFLAGS=${CFLAGS+set} # We may override autoconf default CFLAGS.
72 AC_CHECK_FUNCS([getisax])
76 # Checks for Sun Studio compilers
77 AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
78 AC_CHECK_DECL([__amd64], [AMD64_ABI="yes"], [AMD64_ABI="no"])
80 # Default CFLAGS to -O -g rather than just the -g from AC_PROG_CC
81 # if we're using Sun Studio and neither the user nor a config.site
83 if test $SUNCC = yes && \
84 test "$test_CFLAGS" == "" && \
91 # We ignore pixman_major in the version here because the major version should
92 # always be encoded in the actual library name. Ie., the soname is:
94 # pixman-$(pixman_major).0.minor.micro
96 m4_define([lt_current], [pixman_minor])
97 m4_define([lt_revision], [pixman_micro])
98 m4_define([lt_age], [pixman_minor])
100 LT_VERSION_INFO="lt_current:lt_revision:lt_age"
102 PIXMAN_VERSION_MAJOR=pixman_major()
103 AC_SUBST(PIXMAN_VERSION_MAJOR)
104 PIXMAN_VERSION_MINOR=pixman_minor()
105 AC_SUBST(PIXMAN_VERSION_MINOR)
106 PIXMAN_VERSION_MICRO=pixman_micro()
107 AC_SUBST(PIXMAN_VERSION_MICRO)
109 AC_SUBST(LT_VERSION_INFO)
111 # Check for dependencies
112 #PKG_CHECK_MODULES(DEP, x11)
115 if test "x$GCC" = "xyes"; then
118 *[\ \ ]-Wall[\ \ ]*) ;;
119 *) CFLAGS="$CFLAGS -Wall" ;;
123 *[\ \ ]-fno-strict-aliasing[\ \ ]*) ;;
124 *) CFLAGS="$CFLAGS -fno-strict-aliasing" ;;
127 fi changequote([,])dnl
129 AC_PATH_PROG(PERL, perl, no)
130 if test "x$PERL" = xno; then
131 AC_MSG_ERROR([Perl is required to build pixman.])
135 dnl =========================================================================
136 dnl -fvisibility stuff
139 AC_MSG_CHECKING(for -fvisibility)
141 #if defined(__GNUC__) && (__GNUC__ >= 4)
143 error Need GCC 4.0 for visibility
145 int main () { return 0; }
148 if test "x$have_gcc4" = "xyes"; then
149 CFLAGS="$CFLAGS -fvisibility=hidden"
151 AC_MSG_RESULT($have_gcc4)
154 AC_MSG_CHECKING([for -xldscope (Sun compilers)])
156 #if defined(__SUNPRO_C) && (__SUNPRO_C >= 0x550)
158 error Need Sun Studio 8 for visibility
160 int main () { return 0; }
161 ], have_sunstudio8=yes)
163 if test "x$have_sunstudio8" = "xyes"; then
164 CFLAGS="$CFLAGS -xldscope=hidden"
166 AC_MSG_RESULT($have_sunstudio8)
168 dnl ===========================================================================
171 if test "x$MMX_CFLAGS" = "x" ; then
172 if test "x$SUNCC" = "xyes"; then
173 # Sun Studio doesn't have an -xarch=mmx flag, so we have to use sse
174 # but if we're building 64-bit, mmx & sse support is on by default and
175 # -xarch=sse throws an error instead
176 if test "$AMD64_ABI" = "no" ; then
177 MMX_CFLAGS="-xarch=sse"
180 MMX_CFLAGS="-mmmx -Winline"
184 have_mmx_intrinsics=no
185 AC_MSG_CHECKING(whether to use MMX intrinsics)
186 xserver_save_CFLAGS=$CFLAGS
187 CFLAGS="$MMX_CFLAGS $CFLAGS"
189 #if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4))
190 error "Need GCC >= 3.4 for MMX intrinsics"
192 #include <mmintrin.h>
194 __m64 v = _mm_cvtsi32_si64 (1);
195 return _mm_cvtsi64_si32 (v);
196 }], have_mmx_intrinsics=yes)
197 CFLAGS=$xserver_save_CFLAGS
200 [AC_HELP_STRING([--disable-mmx],
201 [disable MMX fast paths])],
202 [enable_mmx=$enableval], [enable_mmx=auto])
204 if test $enable_mmx = no ; then
205 have_mmx_intrinsics=disabled
208 if test $have_mmx_intrinsics = yes ; then
209 AC_DEFINE(USE_MMX, 1, [use MMX compiler intrinsics])
214 AC_MSG_RESULT($have_mmx_intrinsics)
215 if test $enable_mmx = yes && test $have_mmx_intrinsics = no ; then
216 AC_MSG_ERROR([MMX intrinsics not detected])
219 AM_CONDITIONAL(USE_MMX, test $have_mmx_intrinsics = yes)
221 dnl ===========================================================================
224 if test "x$SSE2_CFLAGS" = "x" ; then
225 if test "x$SUNCC" = "xyes"; then
226 # SSE2 is enabled by default in the Sun Studio 64-bit environment
227 if test "$AMD64_ABI" = "no" ; then
228 SSE2_CFLAGS="-xarch=sse2"
231 SSE2_CFLAGS="-mmmx -msse2 -Winline"
235 have_sse2_intrinsics=no
236 AC_MSG_CHECKING(whether to use SSE2 intrinsics)
237 xserver_save_CFLAGS=$CFLAGS
238 CFLAGS="$SSE2_CFLAGS $CFLAGS"
241 #if defined(__GNUC__) && (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 2))
242 # if !defined(__amd64__) && !defined(__x86_64__)
243 # error "Need GCC >= 4.2 for SSE2 intrinsics on x86"
246 #include <mmintrin.h>
247 #include <xmmintrin.h>
248 #include <emmintrin.h>
251 c = _mm_xor_si128 (a, b);
253 }], have_sse2_intrinsics=yes)
254 CFLAGS=$xserver_save_CFLAGS
257 [AC_HELP_STRING([--disable-sse2],
258 [disable SSE2 fast paths])],
259 [enable_sse2=$enableval], [enable_sse2=auto])
261 if test $enable_sse2 = no ; then
262 have_sse2_intrinsics=disabled
265 if test $have_sse2_intrinsics = yes ; then
266 AC_DEFINE(USE_SSE2, 1, [use SSE2 compiler intrinsics])
269 AC_MSG_RESULT($have_sse2_intrinsics)
270 if test $enable_sse2 = yes && test $have_sse2_intrinsics = no ; then
271 AC_MSG_ERROR([SSE2 intrinsics not detected])
274 AM_CONDITIONAL(USE_SSE2, test $have_sse2_intrinsics = yes)
276 dnl ===========================================================================
277 dnl Other special flags needed when building code using MMX or SSE instructions
280 # When building 32-bit binaries, apply a mapfile to ensure that the
281 # binaries aren't flagged as only able to run on MMX+SSE capable CPUs
282 # since they check at runtime before using those instructions.
283 # Not all linkers grok the mapfile format so we check for that first.
284 if test "$AMD64_ABI" = "no" ; then
286 AC_MSG_CHECKING(whether to use a hardware capability map file)
287 hwcap_save_LDFLAGS="$LDFLAGS"
288 HWCAP_LDFLAGS='-Wl,-M,$(srcdir)/solaris-hwcap.mapfile'
289 LDFLAGS="$LDFLAGS -Wl,-M,pixman/solaris-hwcap.mapfile"
290 AC_LINK_IFELSE([int main() { return 0; }],
291 use_hwcap_mapfile=yes,
293 LDFLAGS="$hwcap_save_LDFLAGS"
294 AC_MSG_RESULT($use_hwcap_mapfile)
296 if test "x$MMX_LDFLAGS" = "x" ; then
297 MMX_LDFLAGS="$HWCAP_LDFLAGS"
299 if test "x$SSE2_LDFLAGS" = "x" ; then
300 SSE2_LDFLAGS="$HWCAP_LDFLAGS"
306 AC_SUBST(MMX_LDFLAGS)
307 AC_SUBST(SSE2_CFLAGS)
308 AC_SUBST(SSE2_LDFLAGS)
310 dnl ===========================================================================
311 dnl Check for VMX/Altivec
312 if test -n "`$CC -v 2>&1 | grep version | grep Apple`"; then
313 VMX_CFLAGS="-faltivec"
315 VMX_CFLAGS="-maltivec -mabi=altivec"
318 have_vmx_intrinsics=no
319 AC_MSG_CHECKING(whether to use VMX/Altivec intrinsics)
320 xserver_save_CFLAGS=$CFLAGS
321 CFLAGS="$VMX_CFLAGS $CFLAGS"
323 #if defined(__GNUC__) && (__GNUC__ < 3 || (__GNUC__ == 3 && __GNUC_MINOR__ < 4))
324 error "Need GCC >= 3.4 for sane altivec support"
328 vector unsigned int v = vec_splat_u32 (1);
331 }], have_vmx_intrinsics=yes)
332 CFLAGS=$xserver_save_CFLAGS
335 [AC_HELP_STRING([--disable-vmx],
336 [disable VMX fast paths])],
337 [enable_vmx=$enableval], [enable_vmx=auto])
339 if test $enable_vmx = no ; then
340 have_vmx_intrinsics=disabled
343 if test $have_vmx_intrinsics = yes ; then
344 AC_DEFINE(USE_VMX, 1, [use VMX compiler intrinsics])
349 AC_MSG_RESULT($have_vmx_intrinsics)
350 if test $enable_vmx = yes && test $have_vmx_intrinsics = no ; then
351 AC_MSG_ERROR([VMX intrinsics not detected])
356 AM_CONDITIONAL(USE_VMX, test $have_vmx_intrinsics = yes)
358 dnl ===========================================================================
359 dnl Check for ARM SIMD instructions
360 ARM_SIMD_CFLAGS="-mcpu=arm1136j-s"
363 AC_MSG_CHECKING(whether to use ARM SIMD assembler)
364 xserver_save_CFLAGS=$CFLAGS
365 CFLAGS="$ARM_SIMD_CFLAGS $CFLAGS"
368 asm("uqadd8 r1, r1, r2");
370 }], have_arm_simd=yes)
371 CFLAGS=$xserver_save_CFLAGS
373 AC_ARG_ENABLE(arm-simd,
374 [AC_HELP_STRING([--disable-arm-simd],
375 [disable ARM SIMD fast paths])],
376 [enable_arm_simd=$enableval], [enable_arm_simd=auto])
378 if test $enable_arm_simd = no ; then
379 have_arm_simd=disabled
382 if test $have_arm_simd = yes ; then
383 AC_DEFINE(USE_ARM_SIMD, 1, [use ARM SIMD compiler intrinsics])
388 AC_MSG_RESULT($have_arm_simd)
389 if test $enable_arm_simd = yes && test $have_arm_simd = no ; then
390 AC_MSG_ERROR([ARM SIMD intrinsics not detected])
393 AC_SUBST(ARM_SIMD_CFLAGS)
395 AM_CONDITIONAL(USE_ARM_SIMD, test $have_arm_simd = yes)
397 dnl ==========================================================================
398 dnl Check for ARM NEON instructions
399 ARM_NEON_CFLAGS="-mfpu=neon -mcpu=cortex-a8"
402 AC_MSG_CHECKING(whether to use ARM NEON)
403 xserver_save_CFLAGS=$CFLAGS
404 CFLAGS="$ARM_NEON_CFLAGS $CFLAGS"
406 #include <arm_neon.h>
408 uint8x8_t neon_test=vmov_n_u8(0);
410 }], have_arm_neon=yes)
411 CFLAGS=$xserver_save_CFLAGS
413 AC_ARG_ENABLE(arm-neon,
414 [AC_HELP_STRING([--disable-arm-neon],
415 [disable ARM NEON fast paths])],
416 [enable_arm_neon=$enableval], [enable_arm_neon=auto])
418 if test $enable_arm_neon = no ; then
419 have_arm_neon=disabled
422 if test $have_arm_neon = yes ; then
423 AC_DEFINE(USE_ARM_NEON, 1, [use ARM NEON compiler intrinsics])
428 AC_SUBST(ARM_NEON_CFLAGS)
430 AM_CONDITIONAL(USE_ARM_NEON, test $have_arm_neon = yes)
432 AC_MSG_RESULT($have_arm_neon)
433 if test $enable_arm_neon = yes && test $have_arm_neon = no ; then
434 AC_MSG_ERROR([ARM NEON intrinsics not detected])
437 dnl =========================================================================================
438 dnl Check for GNU-style inline assembly support
440 have_gcc_inline_asm=no
441 AC_MSG_CHECKING(whether to use GNU-style inline assembler)
444 /* Most modern architectures have a NOP instruction, so this is a fairly generic test. */
445 asm volatile ( "\tnop\n" : : : "cc", "memory" );
447 }], have_gcc_inline_asm=yes)
449 AC_ARG_ENABLE(gcc-inline-asm,
450 [AC_HELP_STRING([--disable-gcc-inline-asm],
451 [disable GNU-style inline assembler])],
452 [enable_gcc_inline_asm=$enableval], [enable_gcc_inline_asm=auto])
454 if test $enable_gcc_inline_asm = no ; then
455 have_gcc_inline_asm=disabled
458 if test $have_gcc_inline_asm = yes ; then
459 AC_DEFINE(USE_GCC_INLINE_ASM, 1, [use GNU-style inline assembler])
462 AC_MSG_RESULT($have_gcc_inline_asm)
463 if test $enable_gcc_inline_asm = yes && test $have_gcc_inline_asm = no ; then
464 AC_MSG_ERROR([GNU-style inline assembler not detected])
467 AM_CONDITIONAL(USE_GCC_INLINE_ASM, test $have_gcc_inline_asm = yes)
469 dnl ==============================================
472 AC_ARG_ENABLE(timers,
473 [AC_HELP_STRING([--enable-timers],
474 [enable TIMER_BEGIN and TIMER_END macros [default=no]])],
475 [enable_timers=$enableval], [enable_timers=no])
477 if test $enable_timers = yes ; then
478 AC_DEFINE(PIXMAN_TIMERS, 1, [enable TIMER_BEGIN/TIMER_END macros])
480 AC_SUBST(PIXMAN_TIMERS)
482 dnl ===================================
486 [AC_HELP_STRING([--enable-gtk],
487 [enable tests using GTK+ [default=auto]])],
488 [enable_gtk=$enableval], [enable_gtk=auto])
491 if test $enable_gtk = auto ; then
492 PKG_CHECK_EXISTS([gtk+-2.0], [enable_gtk=yes], [enable_gtk=no])
494 if test $enable_gtk = yes ; then
495 PKG_CHECK_MODULES(GTK, [gtk+-2.0])
498 AM_CONDITIONAL(HAVE_GTK, [test "x$enable_gtk" = xyes])
505 dnl =====================================
508 AC_CHECK_FUNC(posix_memalign, have_posix_memalign=yes, have_posix_memalign=no)
509 if test x$have_posix_memalign = xyes; then
510 AC_DEFINE(HAVE_POSIX_MEMALIGN, 1, [Whether we have posix_memalign()])
513 AC_OUTPUT([pixman-1.pc
514 pixman-1-uninstalled.pc
517 pixman/pixman-version.h