2 # Process this file with autoconf to produce a configure script.
5 AC_INIT([libjpeg-turbo], [1.5.3])
7 AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])
8 AC_PREFIX_DEFAULT(/opt/libjpeg-turbo)
10 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
12 # Checks for programs.
13 SAVED_CFLAGS=${CFLAGS}
14 SAVED_CPPFLAGS=${CPPFLAGS}
17 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
24 AC_ARG_WITH([build-date], [Use custom build string to enable reproducible builds (default: YYMMDD)],
25 [BUILD="$with_build_date"],
26 [BUILD=`date +%Y%m%d`])
30 # When the prefix is /opt/libjpeg-turbo, we assume that an "official" binary is
31 # being created, and thus we install things into specific locations.
34 if test "x$prefix" = "xNONE" -a "x$ac_default_prefix" != "x"; then
35 prefix=$ac_default_prefix
37 DATADIR=`eval echo ${datadir}`
38 DATADIR=`eval echo $DATADIR`
39 if test "$DATADIR" = "/opt/libjpeg-turbo/share"; then
42 DATADIR=`eval echo ${datarootdir}`
43 DATADIR=`eval echo $DATADIR`
44 if test "$DATADIR" = "/opt/libjpeg-turbo/share"; then
45 datarootdir='${prefix}'
47 DOCDIR=`eval echo ${docdir}`
48 DOCDIR=`eval echo $DOCDIR`
49 if test "$DOCDIR" = "/opt/libjpeg-turbo/doc/libjpeg-turbo"; then
50 docdir='${datadir}/doc'
53 old_exec_prefix=${exec_prefix}
54 if test "x$exec_prefix" = "xNONE"; then
58 AC_CHECK_SIZEOF(size_t)
60 if test "x${libdir}" = 'x${exec_prefix}/lib' -o "x${libdir}" = 'x${prefix}/lib'; then
61 LIBDIR=`eval echo ${libdir}`
62 LIBDIR=`eval echo $LIBDIR`
63 if test "$LIBDIR" = "/opt/libjpeg-turbo/lib"; then
68 if test "${ac_cv_sizeof_size_t}" = "8"; then
69 libdir='${exec_prefix}/lib64'
70 elif test "${ac_cv_sizeof_size_t}" = "4"; then
71 libdir='${exec_prefix}/lib32'
77 exec_prefix=${old_exec_prefix}
80 # Check whether compiler supports pointers to undefined structures
81 AC_MSG_CHECKING(whether compiler supports pointers to undefined structures)
82 AC_TRY_COMPILE([ typedef struct undefined_structure *undef_struct_ptr; ], ,
85 AC_DEFINE([INCOMPLETE_TYPES_BROKEN], [1],
86 [Compiler does not support pointers to undefined structures.])])
88 if test "x${GCC}" = "xyes"; then
89 if test "x${SAVED_CFLAGS}" = "x"; then
92 if test "x${SAVED_CPPFLAGS}" = "x"; then
97 AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
98 if test "x${SUNCC}" = "xyes"; then
99 if test "x${SAVED_CFLAGS}" = "x"; then
104 # Checks for libraries.
106 # Checks for header files.
108 AC_CHECK_HEADERS([stddef.h stdlib.h locale.h string.h])
109 AC_CHECK_HEADER([sys/types.h],
110 AC_DEFINE([NEED_SYS_TYPES_H], 1, [Define if you need to include <sys/types.h> to get size_t.]))
112 # Checks for typedefs, structures, and compiler characteristics.
117 AC_CHECK_TYPES([unsigned char, unsigned short])
119 AC_MSG_CHECKING([if right shift is signed])
122 int is_shifting_signed (long arg) {
125 if (res == -0x7F7E80CL)
126 return 1; /* right shift is signed */
128 /* see if unsigned-shift hack will fix it. */
129 /* we can't just test exact value since it depends on width of long... */
130 res |= (~0L) << (32-4);
131 if (res == -0x7F7E80CL)
132 return 0; /* right shift is unsigned */
134 printf("Right shift isn't acting as I expect it to.\n");
135 printf("I fear the JPEG software will not work at all.\n\n");
136 return 0; /* try it with unsigned anyway */
139 exit(is_shifting_signed(-0x7F7E80B1L));
142 AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED], 1,
143 [Define if your (broken) compiler shifts signed values as if they were unsigned.])],
144 [AC_MSG_RESULT(yes)],
145 [AC_MSG_RESULT(Assuming that right shift is signed on target machine.)])
147 # Checks for library functions.
148 AC_CHECK_FUNCS([memset memcpy], [],
149 [AC_DEFINE([NEED_BSD_STRINGS], 1,
150 [Define if you have BSD-like bzero and bcopy in <strings.h> rather than memset/memcpy in <string.h>.])])
152 AC_MSG_CHECKING([libjpeg API version])
153 AC_ARG_VAR(JPEG_LIB_VERSION, [libjpeg API version (62, 70, or 80)])
154 if test "x$JPEG_LIB_VERSION" = "x"; then
156 AC_HELP_STRING([--with-jpeg7],
157 [Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
159 AC_HELP_STRING([--with-jpeg8],
160 [Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
161 if test "x${with_jpeg8}" = "xyes"; then
164 if test "x${with_jpeg7}" = "xyes"; then
171 JPEG_LIB_VERSION_DECIMAL=`expr $JPEG_LIB_VERSION / 10`.`expr $JPEG_LIB_VERSION % 10`
172 AC_SUBST(JPEG_LIB_VERSION_DECIMAL)
173 AC_MSG_RESULT([$JPEG_LIB_VERSION_DECIMAL])
174 AC_DEFINE_UNQUOTED(JPEG_LIB_VERSION, [$JPEG_LIB_VERSION],
175 [libjpeg API version])
177 AC_ARG_VAR(SO_MAJOR_VERSION,
178 [Major version of the libjpeg-turbo shared library (default is determined by the API version)])
179 AC_ARG_VAR(SO_MINOR_VERSION,
180 [Minor version of the libjpeg-turbo shared library (default is determined by the API version)])
181 if test "x$SO_MAJOR_VERSION" = "x"; then
182 case "$JPEG_LIB_VERSION" in
183 62) SO_MAJOR_VERSION=$JPEG_LIB_VERSION ;;
184 *) SO_MAJOR_VERSION=`expr $JPEG_LIB_VERSION / 10` ;;
187 if test "x$SO_MINOR_VERSION" = "x"; then
188 case "$JPEG_LIB_VERSION" in
189 80) SO_MINOR_VERSION=2 ;;
190 *) SO_MINOR_VERSION=0 ;;
196 # Memory source/destination managers
198 MEM_SRCDST_FUNCTIONS=
199 if test "x${with_jpeg8}" != "xyes"; then
200 AC_MSG_CHECKING([whether to include in-memory source/destination managers])
201 AC_ARG_WITH([mem-srcdst],
202 AC_HELP_STRING([--without-mem-srcdst],
203 [Do not include in-memory source/destination manager functions when emulating the libjpeg v6b or v7 API/ABI]))
204 if test "x$with_mem_srcdst" != "xno"; then
206 AC_DEFINE([MEM_SRCDST_SUPPORTED], [1],
207 [Support in-memory source/destination managers])
209 MEM_SRCDST_FUNCTIONS="global: jpeg_mem_dest; jpeg_mem_src;";
212 RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-mem-srcdst"
216 AC_MSG_CHECKING([libjpeg shared library version])
217 AC_MSG_RESULT([$SO_MAJOR_VERSION.$SO_AGE.$SO_MINOR_VERSION])
218 LIBTOOL_CURRENT=`expr $SO_MAJOR_VERSION + $SO_AGE`
219 AC_SUBST(LIBTOOL_CURRENT)
220 AC_SUBST(SO_MAJOR_VERSION)
221 AC_SUBST(SO_MINOR_VERSION)
223 AC_SUBST(MEM_SRCDST_FUNCTIONS)
225 AC_DEFINE_UNQUOTED(LIBJPEG_TURBO_VERSION, [$VERSION], [libjpeg-turbo version])
227 m4_define(version_triplet,m4_split(AC_PACKAGE_VERSION,[[.]]))
228 m4_define(version_major,m4_car(m4_shiftn(1,[],version_triplet)))
229 m4_define(version_minor,m4_car(m4_shiftn(2,[],version_triplet)))
230 m4_define(version_revision,m4_car(m4_shiftn(3,[],version_triplet)))
231 VERSION_MAJOR=version_major
232 VERSION_MINOR=version_minor
233 VERSION_REVISION=version_revision
234 LIBJPEG_TURBO_VERSION_NUMBER=`printf "%d%03d%03d" $VERSION_MAJOR $VERSION_MINOR $VERSION_REVISION`
235 AC_DEFINE_UNQUOTED(LIBJPEG_TURBO_VERSION_NUMBER, [$LIBJPEG_TURBO_VERSION_NUMBER], [libjpeg-turbo version in integer form])
238 AC_ARG_ENABLE([ld-version-script],
239 AS_HELP_STRING([--disable-ld-version-script],
240 [Disable linker version script for libjpeg-turbo (default is to use linker version script if the linker supports it)]),
241 [VERSION_SCRIPT=$enableval], [])
243 AC_MSG_CHECKING([whether the linker supports version scripts])
244 SAVED_LDFLAGS="$LDFLAGS"
245 LDFLAGS="$LDFLAGS -Wl,--version-script,conftest.map"
246 cat > conftest.map <<EOF
251 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
252 [VERSION_SCRIPT_FLAG=-Wl,--version-script,;
253 AC_MSG_RESULT([yes (GNU style)])],
255 if test "x$VERSION_SCRIPT_FLAG" = "x"; then
256 LDFLAGS="$SAVED_LDFLAGS -Wl,-M,conftest.map"
257 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
258 [VERSION_SCRIPT_FLAG=-Wl,-M,;
259 AC_MSG_RESULT([yes (Sun style)])],
262 if test "x$VERSION_SCRIPT_FLAG" = "x"; then
266 LDFLAGS="$SAVED_LDFLAGS"
268 AC_MSG_CHECKING([whether to use version script when building libjpeg-turbo])
269 AC_MSG_RESULT($VERSION_SCRIPT)
271 AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes")
272 AC_SUBST(VERSION_SCRIPT_FLAG)
274 # Check for non-broken inline under various spellings
275 AC_MSG_CHECKING(for inline)
277 AC_TRY_COMPILE(, [} inline __attribute__((always_inline)) int foo() { return 0; }
278 int bar() { return foo();], ljt_cv_inline="inline __attribute__((always_inline))",
279 AC_TRY_COMPILE(, [} __inline__ int foo() { return 0; }
280 int bar() { return foo();], ljt_cv_inline="__inline__",
281 AC_TRY_COMPILE(, [} __inline int foo() { return 0; }
282 int bar() { return foo();], ljt_cv_inline="__inline",
283 AC_TRY_COMPILE(, [} inline int foo() { return 0; }
284 int bar() { return foo();], ljt_cv_inline="inline"))))
285 AC_MSG_RESULT($ljt_cv_inline)
286 AC_DEFINE_UNQUOTED([INLINE],[$ljt_cv_inline],[How to obtain function inlining.])
288 # Arithmetic coding support
289 AC_MSG_CHECKING([whether to include arithmetic encoding support])
290 AC_ARG_WITH([arith-enc],
291 AC_HELP_STRING([--without-arith-enc],
292 [Do not include arithmetic encoding support when emulating the libjpeg v6b API/ABI]))
293 if test "x$with_12bit" = "xyes"; then
296 if test "x${with_jpeg8}" = "xyes" -o "x${with_jpeg7}" = "xyes"; then
299 if test "x$with_arith_enc" = "xno"; then
301 RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-enc"
303 AC_DEFINE([C_ARITH_CODING_SUPPORTED], [1], [Support arithmetic encoding])
306 AM_CONDITIONAL([WITH_ARITH_ENC], [test "x$with_arith_enc" != "xno"])
308 AC_MSG_CHECKING([whether to include arithmetic decoding support])
309 AC_ARG_WITH([arith-dec],
310 AC_HELP_STRING([--without-arith-dec],
311 [Do not include arithmetic decoding support when emulating the libjpeg v6b API/ABI]))
312 if test "x$with_12bit" = "xyes"; then
315 if test "x${with_jpeg8}" = "xyes" -o "x${with_jpeg7}" = "xyes"; then
318 if test "x$with_arith_dec" = "xno"; then
320 RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-dec"
322 AC_DEFINE([D_ARITH_CODING_SUPPORTED], [1], [Support arithmetic decoding])
325 AM_CONDITIONAL([WITH_ARITH_DEC], [test "x$with_arith_dec" != "xno"])
327 AM_CONDITIONAL([WITH_ARITH],
328 [test "x$with_arith_dec" != "xno" -o "x$with_arith_enc" != "xno"])
330 # 12-bit component support
331 AC_MSG_CHECKING([whether to use 12-bit samples])
333 AC_HELP_STRING([--with-12bit], [Encode/decode JPEG images with 12-bit samples (implies --without-simd --without-turbojpeg --without-arith-dec --without-arith-enc)]))
334 if test "x$with_12bit" = "xyes"; then
335 AC_DEFINE([BITS_IN_JSAMPLE], [12], [use 8 or 12])
340 AM_CONDITIONAL([WITH_12BIT], [test "x$with_12bit" = "xyes"])
343 AC_MSG_CHECKING([whether to build TurboJPEG C wrapper])
344 AC_ARG_WITH([turbojpeg],
345 AC_HELP_STRING([--without-turbojpeg],
346 [Do not include the TurboJPEG wrapper library and associated test programs]))
347 if test "x$with_12bit" = "xyes"; then
350 if test "x$with_turbojpeg" = "xno"; then
352 RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-turbojpeg"
358 AC_ARG_VAR(JAVAC, [Java compiler command (default: javac)])
359 if test "x$JAVAC" = "x"; then
363 AC_ARG_VAR(JAVACFLAGS, [Java compiler flags])
364 JAVACFLAGS="$JAVACFLAGS -J-Dfile.encoding=UTF8"
366 AC_ARG_VAR(JAR, [Java archive command (default: jar)])
367 if test "x$JAR" = "x"; then
371 AC_ARG_VAR(JAVA, [Java runtime command (default: java)])
372 if test "x$JAVA" = "x"; then
376 AC_ARG_VAR(JNI_CFLAGS,
377 [C compiler flags needed to include jni.h (default: -I/System/Library/Frameworks/JavaVM.framework/Headers on OS X, '-I/usr/java/include -I/usr/java/include/solaris' on Solaris, and '-I/usr/java/default/include -I/usr/java/default/include/linux' on Linux)])
379 AC_MSG_CHECKING([whether to build TurboJPEG Java wrapper])
381 AC_HELP_STRING([--with-java], [Build Java wrapper for the TurboJPEG library]))
382 if test "x$with_12bit" = "xyes" -o "x$with_turbojpeg" = "xno"; then
387 if test "x$with_java" = "xyes"; then
392 DEFAULT_JNI_CFLAGS=-I/System/Library/Frameworks/JavaVM.framework/Headers
395 DEFAULT_JNI_CFLAGS='-I/usr/java/include -I/usr/java/include/solaris'
398 DEFAULT_JNI_CFLAGS='-I/usr/java/default/include -I/usr/java/default/include/linux'
401 if test "x$JNI_CFLAGS" = "x"; then
402 JNI_CFLAGS=$DEFAULT_JNI_CFLAGS
405 SAVE_CPPFLAGS=${CPPFLAGS}
406 CPPFLAGS="${CPPFLAGS} ${JNI_CFLAGS}"
407 AC_CHECK_HEADERS([jni.h], [DUMMY=1],
408 [AC_MSG_ERROR([Could not find JNI header file])])
409 CPPFLAGS=${SAVE_CPPFLAGS}
412 RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --with-java"
413 JAVA_RPM_CONTENTS_1='%dir %{_datadir}/classes'
414 JAVA_RPM_CONTENTS_2=%{_datadir}/classes/turbojpeg.jar
419 AM_CONDITIONAL([WITH_JAVA], [test "x$with_java" = "xyes"])
421 AC_SUBST(JAVA_RPM_CONTENTS_1)
422 AC_SUBST(JAVA_RPM_CONTENTS_2)
424 # optionally force using gas-preprocessor.pl for compatibility testing
425 AC_ARG_WITH([gas-preprocessor],
426 AC_HELP_STRING([--with-gas-preprocessor],
427 [Force using gas-preprocessor.pl on ARM.]))
428 if test "x${with_gas_preprocessor}" = "xyes"; then
431 CCAS="gas-preprocessor.pl -fix-unreq $CC"
434 CCAS="gas-preprocessor.pl -no-fix-unreq $CC"
442 AC_HELP_STRING([--without-simd], [Do not include SIMD extensions]))
443 if test "x$with_12bit" = "xyes"; then
446 if test "x${with_simd}" != "xno"; then
448 if test "x${with_simd}" = "xyes"; then
451 # Check if we're on a supported CPU
452 AC_MSG_CHECKING([if we have SIMD optimisations for cpu type])
455 AC_MSG_RESULT([yes (x86_64)])
460 AC_MSG_RESULT([yes (i386)])
465 AC_MSG_RESULT([yes (arm)])
466 AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
467 AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE(
468 [if test "x$ac_use_gas_preprocessor" = "xyes"; then
469 AC_MSG_RESULT([yes (with gas-preprocessor)])
476 if test "x${with_simd}" = "xno"; then
477 if test "x${require_simd}" = "xyes"; then
478 AC_MSG_ERROR([SIMD support can't be enabled.])
480 AC_MSG_WARN([SIMD support can't be enabled. Performance will suffer.])
485 AC_MSG_RESULT([yes (arm64)])
486 AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
487 AC_CHECK_COMPATIBLE_ARM64_ASSEMBLER_IFELSE(
488 [if test "x$ac_use_gas_preprocessor" = "xyes"; then
489 AC_MSG_RESULT([yes (with gas-preprocessor)])
496 if test "x${with_simd}" = "xno"; then
497 if test "x${require_simd}" = "xyes"; then
498 AC_MSG_ERROR([SIMD support can't be enabled.])
500 AC_MSG_WARN([SIMD support can't be enabled. Performance will suffer.])
505 AC_MSG_RESULT([yes (mips)])
506 AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
507 AC_CHECK_COMPATIBLE_MIPS_ASSEMBLER_IFELSE(
508 [AC_MSG_RESULT([yes])
512 if test "x${with_simd}" = "xno"; then
513 if test "x${require_simd}" = "xyes"; then
514 AC_MSG_ERROR([SIMD support can't be enabled.])
516 AC_MSG_WARN([SIMD support can't be enabled. Performance will suffer.])
522 [AC_MSG_RESULT([yes (powerpc)])
524 [AC_NO_SIMD(PowerPC SPE)])
527 AC_NO_SIMD($host_cpu)
531 if test "x${with_simd}" != "xno"; then
532 AC_DEFINE([WITH_SIMD], [1], [Use accelerated SIMD routines.])
535 RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-simd"
538 AM_CONDITIONAL([WITH_SIMD], [test "x$with_simd" != "xno"])
539 AM_CONDITIONAL([WITH_SSE_FLOAT_DCT], [test "x$simd_arch" = "xx86_64" -o "x$simd_arch" = "xi386"])
540 AM_CONDITIONAL([SIMD_I386], [test "x$simd_arch" = "xi386"])
541 AM_CONDITIONAL([SIMD_X86_64], [test "x$simd_arch" = "xx86_64"])
542 AM_CONDITIONAL([SIMD_ARM], [test "x$simd_arch" = "xarm"])
543 AM_CONDITIONAL([SIMD_ARM_64], [test "x$simd_arch" = "xaarch64"])
544 AM_CONDITIONAL([SIMD_MIPS], [test "x$simd_arch" = "xmips"])
545 AM_CONDITIONAL([SIMD_POWERPC], [test "x$simd_arch" = "xpowerpc"])
546 AM_CONDITIONAL([X86_64], [test "x$host_cpu" = "xx86_64" -o "x$host_cpu" = "xamd64"])
547 AM_CONDITIONAL([WITH_TURBOJPEG], [test "x$with_turbojpeg" != "xno"])
548 AM_CONDITIONAL([CROSS_COMPILING], [test "x$cross_compiling" = "xyes"])
550 AC_ARG_VAR(PKGNAME, [distribution package name (default: libjpeg-turbo)])
551 if test "x$PKGNAME" = "x"; then
552 PKGNAME=$PACKAGE_NAME
579 if test "${docdir}" = ""; then
580 docdir=${datadir}/doc
585 AC_SUBST(RPM_CONFIG_ARGS)
588 AC_DEFINE_UNQUOTED([BUILD], "$BUILD", [libjpeg-turbo build number])
590 # NOTE: autoheader automatically modifies the input file of the first
591 # invocation of AC_CONFIG_HEADERS, so we put config.h first to prevent
592 # jconfig.h.in from being clobbered. config.h is used only internally, whereas
593 # jconfig.h contains macros that are relevant to external programs (macros that
594 # specify which features were built into the library.)
595 AC_CONFIG_HEADERS([config.h])
596 AC_CONFIG_HEADERS([jconfig.h])
597 AC_CONFIG_HEADERS([jconfigint.h])
598 AC_CONFIG_FILES([pkgscripts/libjpeg-turbo.spec.tmpl:release/libjpeg-turbo.spec.in])
599 AC_CONFIG_FILES([pkgscripts/makecygwinpkg.tmpl:release/makecygwinpkg.in])
600 AC_CONFIG_FILES([pkgscripts/makedpkg.tmpl:release/makedpkg.in])
601 AC_CONFIG_FILES([pkgscripts/makemacpkg.tmpl:release/makemacpkg.in])
602 AC_CONFIG_FILES([pkgscripts/uninstall.tmpl:release/uninstall.in])
603 AC_CONFIG_FILES([pkgscripts/libjpeg.pc:release/libjpeg.pc.in])
604 AC_CONFIG_FILES([pkgscripts/libturbojpeg.pc:release/libturbojpeg.pc.in])
605 if test "x$with_turbojpeg" != "xno"; then
606 AC_CONFIG_FILES([tjbenchtest])
608 if test "x$with_java" = "xyes"; then
609 AC_CONFIG_FILES([tjbenchtest.java])
610 AC_CONFIG_FILES([tjexampletest])
612 AC_CONFIG_FILES([libjpeg.map])
613 AC_CONFIG_FILES([Makefile simd/Makefile])
614 AC_CONFIG_FILES([java/Makefile])
615 AC_CONFIG_FILES([md5/Makefile])