2 # Process this file with autoconf to produce a configure script.
5 AC_INIT([libjpeg-turbo], [1.2.0])
8 AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])
9 AC_PREFIX_DEFAULT(/opt/libjpeg-turbo)
11 # Always build with prototypes
12 AC_DEFINE([HAVE_PROTOTYPES], 1, [Define if your compiler supports prototypes])
14 # Checks for programs.
15 SAVED_CFLAGS=${CFLAGS}
16 SAVED_CPPFLAGS=${CPPFLAGS}
24 # Check whether compiler supports pointers to undefined structures
25 AC_MSG_CHECKING(whether compiler supports pointers to undefined structures)
26 AC_TRY_COMPILE([ typedef struct undefined_structure * undef_struct_ptr; ], ,
29 AC_DEFINE([INCOMPLETE_TYPES_BROKEN],[1],[Compiler does not support pointers to undefined structures.])])
31 if test "x${GCC}" = "xyes"; then
32 if test "x${SAVED_CFLAGS}" = "x"; then
35 if test "x${SAVED_CPPFLAGS}" = "x"; then
40 AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
41 if test "x${SUNCC}" = "xyes"; then
42 if test "x${SAVED_CFLAGS}" = "x"; then
47 # Checks for libraries.
49 # Checks for header files.
51 AC_CHECK_HEADERS([stddef.h stdlib.h string.h])
52 AC_CHECK_HEADER([sys/types.h], AC_DEFINE([NEED_SYS_TYPES_H], 1, [Define if you have sys/types.h]))
54 # Checks for typedefs, structures, and compiler characteristics.
59 AC_CHECK_TYPES([unsigned char, unsigned short])
61 AC_MSG_CHECKING([if right shift is signed])
64 int is_shifting_signed (long arg) {
67 if (res == -0x7F7E80CL)
68 return 1; /* right shift is signed */
70 /* see if unsigned-shift hack will fix it. */
71 /* we can't just test exact value since it depends on width of long... */
72 res |= (~0L) << (32-4);
73 if (res == -0x7F7E80CL)
74 return 0; /* right shift is unsigned */
76 printf("Right shift isn't acting as I expect it to.\n");
77 printf("I fear the JPEG software will not work at all.\n\n");
78 return 0; /* try it with unsigned anyway */
81 exit(is_shifting_signed(-0x7F7E80B1L));
84 AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED], 1, [Define if shift is unsigned])],
86 [AC_MSG_RESULT(Assuming that right shift is signed on target machine.)])
88 # test whether global names are unique to at least 15 chars
89 AC_MSG_CHECKING([for short external names])
91 [int possibly_duplicate_function () { return 0; }
92 int possibly_dupli_function () { return 1; }], [ ],
95 AC_DEFINE([NEED_SHORT_EXTERNAL_NAMES], 1, [Define if you need short function names])])
97 # Checks for library functions.
98 AC_CHECK_FUNCS([memset memcpy], [],
99 [AC_DEFINE([NEED_BSD_STRINGS], 1,
100 [Define if you have BSD-like bzero and bcopy])])
102 AC_MSG_CHECKING([libjpeg API version])
103 AC_ARG_VAR(JPEG_LIB_VERSION, [libjpeg API version (62, 70, or 80)])
104 if test "x$JPEG_LIB_VERSION" = "x"; then
106 AC_HELP_STRING([--with-jpeg7], [Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
108 AC_HELP_STRING([--with-jpeg8], [Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
109 if test "x${with_jpeg8}" = "xyes"; then
112 if test "x${with_jpeg7}" = "xyes"; then
119 JPEG_LIB_VERSION_DECIMAL=`expr $JPEG_LIB_VERSION / 10`.`expr $JPEG_LIB_VERSION % 10`
120 AC_SUBST(JPEG_LIB_VERSION_DECIMAL)
121 AC_MSG_RESULT([$JPEG_LIB_VERSION_DECIMAL])
122 AC_DEFINE_UNQUOTED(JPEG_LIB_VERSION, [$JPEG_LIB_VERSION], [libjpeg API version])
124 AC_MSG_CHECKING([libjpeg shared library version])
125 AC_ARG_VAR(SO_MAJOR_VERSION, [Major version of the libjpeg-turbo shared library (default is determined by the API version)])
126 AC_ARG_VAR(SO_MINOR_VERSION, [Minor version of the libjpeg-turbo shared library (default is determined by the API version)])
127 if test "x$SO_MAJOR_VERSION" = "x"; then
128 case "$JPEG_LIB_VERSION" in
129 62) SO_MAJOR_VERSION=$JPEG_LIB_VERSION ;;
130 *) SO_MAJOR_VERSION=`expr $JPEG_LIB_VERSION / 10` ;;
133 if test "x$SO_MINOR_VERSION" = "x"; then
134 case "$JPEG_LIB_VERSION" in
135 80) SO_MINOR_VERSION=2 ;;
136 *) SO_MINOR_VERSION=0 ;;
139 AC_MSG_RESULT([$SO_MAJOR_VERSION:$SO_MINOR_VERSION])
140 AC_SUBST(SO_MAJOR_VERSION)
141 AC_SUBST(SO_MINOR_VERSION)
143 AC_DEFINE_UNQUOTED(LIBJPEG_TURBO_VERSION, [$VERSION], [libjpeg-turbo version])
146 AC_ARG_ENABLE([ld-version-script],
147 AS_HELP_STRING([--disable-ld-version-script],
148 [Disable linker version script for libjpeg-turbo (default is to use linker version script if the linker supports it)]),
149 [VERSION_SCRIPT=$enableval], [])
151 AC_MSG_CHECKING([whether the linker supports version scripts])
152 SAVED_LDFLAGS="$LDFLAGS"
153 LDFLAGS="$LDFLAGS -Wl,--version-script,conftest.map"
154 cat > conftest.map <<EOF
159 AC_LINK_IFELSE(AC_LANG_PROGRAM([], []),
160 [VERSION_SCRIPT_FLAG=-Wl,--version-script,; AC_MSG_RESULT([yes (GNU style)])], [])
161 if test "x$VERSION_SCRIPT_FLAG" = "x"; then
162 LDFLAGS="$SAVED_LDFLAGS -Wl,-M,conftest.map -pie"
163 AC_LINK_IFELSE(AC_LANG_PROGRAM([], []),
164 [VERSION_SCRIPT_FLAG=-Wl,-M,; AC_MSG_RESULT([yes (Sun style)])], [])
166 if test "x$VERSION_SCRIPT_FLAG" = "x"; then
170 LDFLAGS="$SAVED_LDFLAGS"
172 AC_MSG_CHECKING([whether to use version script when building libjpeg-turbo])
173 AC_MSG_RESULT($VERSION_SCRIPT)
175 AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes")
176 AC_SUBST(VERSION_SCRIPT_FLAG)
178 # Check for non-broken inline under various spellings
179 AC_MSG_CHECKING(for inline)
181 AC_TRY_COMPILE(, [} __attribute__((always_inline)) int foo() { return 0; }
182 int bar() { return foo();], ljt_cv_inline="__attribute__((always_inline))",
183 AC_TRY_COMPILE(, [} __inline__ int foo() { return 0; }
184 int bar() { return foo();], ljt_cv_inline="__inline__",
185 AC_TRY_COMPILE(, [} __inline int foo() { return 0; }
186 int bar() { return foo();], ljt_cv_inline="__inline",
187 AC_TRY_COMPILE(, [} inline int foo() { return 0; }
188 int bar() { return foo();], ljt_cv_inline="inline"))))
189 AC_MSG_RESULT($ljt_cv_inline)
190 AC_DEFINE_UNQUOTED([INLINE],[$ljt_cv_inline],[How to obtain function inlining.])
192 AC_MSG_CHECKING([whether to include arithmetic encoding support])
193 AC_ARG_WITH([arith-enc],
194 AC_HELP_STRING([--without-arith-enc], [Omit arithmetic encoding support]))
195 if test "x$with_arith_enc" = "xno"; then
198 AC_DEFINE([C_ARITH_CODING_SUPPORTED], [1], [Support arithmetic encoding])
201 AM_CONDITIONAL([WITH_ARITH_ENC], [test "x$with_arith_enc" != "xno"])
203 AC_MSG_CHECKING([whether to include arithmetic decoding support])
204 AC_ARG_WITH([arith-dec],
205 AC_HELP_STRING([--without-arith-dec], [Omit arithmetic decoding support]))
206 if test "x$with_arith_dec" = "xno"; then
209 AC_DEFINE([D_ARITH_CODING_SUPPORTED], [1], [Support arithmetic decoding])
212 AM_CONDITIONAL([WITH_ARITH_DEC], [test "x$with_arith_dec" != "xno"])
214 AM_CONDITIONAL([WITH_ARITH], [test "x$with_arith_dec" != "xno" -o "x$with_arith_enc" != "xno"])
216 AC_ARG_VAR(JAVAC, [Java compiler command (default: javac)])
217 if test "x$JAVAC" = "x"; then
221 AC_ARG_VAR(JAVACFLAGS, [Java compiler flags])
223 AC_ARG_VAR(JAR, [Java archive command (default: jar)])
224 if test "x$JAR" = "x"; then
228 AC_ARG_VAR(JAVA, [Java runtime command (default: java)])
229 if test "x$JAVA" = "x"; then
233 AC_ARG_VAR(JNI_CFLAGS, [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)])
235 AC_MSG_CHECKING([whether to build TurboJPEG/OSS Java wrapper])
237 AC_HELP_STRING([--with-java],[Build Java wrapper for the TurboJPEG/OSS library]))
241 if test "x$with_java" = "xyes"; then
246 DEFAULT_JNI_CFLAGS=-I/System/Library/Frameworks/JavaVM.framework/Headers
249 DEFAULT_JNI_CFLAGS='-I/usr/java/include -I/usr/java/include/solaris'
252 DEFAULT_JNI_CFLAGS='-I/usr/java/default/include -I/usr/java/default/include/linux'
255 if test "x$JNI_CFLAGS" = "x"; then
256 JNI_CFLAGS=$DEFAULT_JNI_CFLAGS
259 SAVE_CPPFLAGS=${CPPFLAGS}
260 CPPFLAGS="${CPPFLAGS} ${JNI_CFLAGS}"
261 AC_CHECK_HEADERS([jni.h], [DUMMY=1],
262 [AC_MSG_ERROR([Could not find JNI header file])])
263 CPPFLAGS=${SAVE_CPPFLAGS}
266 RPM_CONFIG_ARGS=--with-java
267 JAVA_RPM_CONTENTS_1='%dir /opt/%{name}/classes'
268 JAVA_RPM_CONTENTS_2=/opt/%{name}/classes/turbojpeg.jar
273 AM_CONDITIONAL([WITH_JAVA], [test "x$with_java" = "xyes"])
275 AC_SUBST(JAVA_RPM_CONTENTS_1)
276 AC_SUBST(JAVA_RPM_CONTENTS_2)
277 AC_SUBST(RPM_CONFIG_ARGS)
279 # optionally force using gas-preprocessor.pl for compatibility testing
280 AC_ARG_WITH([gas-preprocessor],
281 AC_HELP_STRING([--with-gas-preprocessor],[Force using gas-preprocessor.pl on ARM.]))
282 if test "x${with_gas_preprocessor}" = "xyes"; then
285 CCAS="gas-preprocessor.pl -fix-unreq $CC"
288 CCAS="gas-preprocessor.pl -no-fix-unreq $CC"
296 AC_HELP_STRING([--without-simd],[Omit SIMD extensions.]))
297 if test "x${with_simd}" != "xno"; then
298 # Check if we're on a supported CPU
299 AC_MSG_CHECKING([if we have SIMD optimisations for cpu type])
302 AC_MSG_RESULT([yes (x86_64)])
307 AC_MSG_RESULT([yes (i386)])
312 AC_MSG_RESULT([yes (arm)])
313 AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
314 AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE(
315 [AC_MSG_RESULT([yes])
319 AC_MSG_WARN([SIMD support can't be enabled. Performance will suffer.])])
322 AC_MSG_RESULT([no ("$host_cpu")])
323 AC_MSG_WARN([SIMD support not available for this CPU. Performance will suffer.])
328 if test "x${with_simd}" != "xno"; then
329 AC_DEFINE([WITH_SIMD], [1], [Use accelerated SIMD routines.])
333 AM_CONDITIONAL([WITH_SIMD], [test "x$with_simd" != "xno"])
334 AM_CONDITIONAL([WITH_SSE_FLOAT_DCT], [test "x$simd_arch" = "xx86_64" -o "x$simd_arch" = "xi386"])
335 AM_CONDITIONAL([SIMD_I386], [test "x$simd_arch" = "xi386"])
336 AM_CONDITIONAL([SIMD_X86_64], [test "x$simd_arch" = "xx86_64"])
337 AM_CONDITIONAL([SIMD_ARM], [test "x$simd_arch" = "xarm"])
338 AM_CONDITIONAL([X86_64], [test "x$host_cpu" = "xx86_64" -o "x$host_cpu" = "xamd64"])
354 AC_DEFINE_UNQUOTED([BUILD], "$BUILD", [Build number])
356 # jconfig.h is the file we use, but we have another before that to
357 # fool autoheader. the reason is that we include this header in our
358 # API headers, which can screw things up for users of the lib.
359 # jconfig.h is a minimal version that allows this package to be built
360 AC_CONFIG_HEADERS([config.h])
361 AC_CONFIG_HEADERS([jconfig.h])
362 AC_CONFIG_FILES([pkgscripts/libjpeg-turbo.spec:release/libjpeg-turbo.spec.in])
363 AC_CONFIG_FILES([pkgscripts/makecygwinpkg:release/makecygwinpkg.in])
364 AC_CONFIG_FILES([pkgscripts/makedpkg:release/makedpkg.in])
365 AC_CONFIG_FILES([pkgscripts/makemacpkg:release/makemacpkg.in])
366 AC_CONFIG_FILES([pkgscripts/Description.plist:release/Description.plist.in])
367 AC_CONFIG_FILES([pkgscripts/Info.plist:release/Info.plist.in])
368 AC_CONFIG_FILES([pkgscripts/uninstall:release/uninstall.in])
369 AC_CONFIG_FILES([pkgscripts/makesunpkg:release/makesunpkg.in])
370 AC_CONFIG_FILES([pkgscripts/pkginfo:release/pkginfo.in])
371 AC_CONFIG_FILES([tjbenchtest])
372 AC_CONFIG_FILES([tjexampletest])
373 AC_CONFIG_FILES([libjpeg.map])
374 AC_CONFIG_FILES([Makefile simd/Makefile])
375 AC_CONFIG_FILES([java/Makefile])
376 AC_CONFIG_FILES([pkgconfig/Makefile pkgconfig/turbojpeg.pc])