# -*- Autoconf -*- # Process this file with autoconf to produce a configure script. AC_PREREQ([2.56]) AC_INIT([libjpeg-turbo], [1.4.2]) AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2]) AC_PREFIX_DEFAULT(/opt/libjpeg-turbo) m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) # Checks for programs. SAVED_CFLAGS=${CFLAGS} SAVED_CPPFLAGS=${CPPFLAGS} AC_PROG_CPP AC_PROG_CC m4_ifdef([AM_PROG_AR], [AM_PROG_AR]) AM_PROG_AS AM_PROG_CC_C_O AC_PROG_INSTALL AC_PROG_LIBTOOL AC_PROG_LN_S AC_ARG_WITH([build-date], [Use custom build string to enable reproducible builds (default: YYMMDD)], [BUILD="$with_build_date"], [BUILD=`date +%Y%m%d`]) # When the prefix is /opt/libjpeg-turbo, we assume that an "official" binary is # being created, and thus we install things into specific locations. old_prefix=${prefix} if test "x$prefix" = "xNONE" -a "x$ac_default_prefix" != "x"; then prefix=$ac_default_prefix fi DATADIR=`eval echo ${datadir}` DATADIR=`eval echo $DATADIR` if test "$DATADIR" = "/opt/libjpeg-turbo/share"; then datadir='${prefix}' fi DATADIR=`eval echo ${datarootdir}` DATADIR=`eval echo $DATADIR` if test "$DATADIR" = "/opt/libjpeg-turbo/share"; then datarootdir='${prefix}' fi DOCDIR=`eval echo ${docdir}` DOCDIR=`eval echo $DOCDIR` if test "$DOCDIR" = "/opt/libjpeg-turbo/doc/libjpeg-turbo"; then docdir='${datadir}/doc' fi old_exec_prefix=${exec_prefix} if test "x$exec_prefix" = "xNONE"; then exec_prefix=${prefix} fi AC_CHECK_SIZEOF(size_t) if test "x${libdir}" = 'x${exec_prefix}/lib' -o "x${libdir}" = 'x${prefix}/lib'; then LIBDIR=`eval echo ${libdir}` LIBDIR=`eval echo $LIBDIR` if test "$LIBDIR" = "/opt/libjpeg-turbo/lib"; then case $host_os in darwin*) ;; *) if test "${ac_cv_sizeof_size_t}" = "8"; then libdir='${exec_prefix}/lib64' elif test "${ac_cv_sizeof_size_t}" = "4"; then libdir='${exec_prefix}/lib32' fi ;; esac fi fi exec_prefix=${old_exec_prefix} prefix=${old_prefix} # Check whether compiler supports pointers to undefined structures AC_MSG_CHECKING(whether compiler supports pointers to undefined structures) AC_TRY_COMPILE([ typedef struct undefined_structure * undef_struct_ptr; ], , AC_MSG_RESULT(yes), [AC_MSG_RESULT(no) AC_DEFINE([INCOMPLETE_TYPES_BROKEN], [1], [Compiler does not support pointers to undefined structures.])]) if test "x${GCC}" = "xyes"; then if test "x${SAVED_CFLAGS}" = "x"; then CFLAGS=-O3 fi if test "x${SAVED_CPPFLAGS}" = "x"; then CPPFLAGS=-Wall fi fi AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) if test "x${SUNCC}" = "xyes"; then if test "x${SAVED_CFLAGS}" = "x"; then CFLAGS=-xO5 fi fi # Checks for libraries. # Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS([stddef.h stdlib.h locale.h string.h]) AC_CHECK_HEADER([sys/types.h], AC_DEFINE([NEED_SYS_TYPES_H], 1, [Define if you need to include <sys/types.h> to get size_t.])) # Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_C_CHAR_UNSIGNED AC_C_INLINE AC_TYPE_SIZE_T AC_CHECK_TYPES([unsigned char, unsigned short]) AC_MSG_CHECKING([if right shift is signed]) AC_TRY_RUN( [#include <stdio.h> int is_shifting_signed (long arg) { long res = arg >> 4; if (res == -0x7F7E80CL) return 1; /* right shift is signed */ /* see if unsigned-shift hack will fix it. */ /* we can't just test exact value since it depends on width of long... */ res |= (~0L) << (32-4); if (res == -0x7F7E80CL) return 0; /* right shift is unsigned */ printf("Right shift isn't acting as I expect it to.\n"); printf("I fear the JPEG software will not work at all.\n\n"); return 0; /* try it with unsigned anyway */ } int main (void) { exit(is_shifting_signed(-0x7F7E80B1L)); }], [AC_MSG_RESULT(no) AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED], 1, [Define if your (broken) compiler shifts signed values as if they were unsigned.])], [AC_MSG_RESULT(yes)], [AC_MSG_RESULT(Assuming that right shift is signed on target machine.)]) # Checks for library functions. AC_CHECK_FUNCS([memset memcpy], [], [AC_DEFINE([NEED_BSD_STRINGS], 1, [Define if you have BSD-like bzero and bcopy in <strings.h> rather than memset/memcpy in <string.h>.])]) AC_MSG_CHECKING([libjpeg API version]) AC_ARG_VAR(JPEG_LIB_VERSION, [libjpeg API version (62, 70, or 80)]) if test "x$JPEG_LIB_VERSION" = "x"; then AC_ARG_WITH([jpeg7], AC_HELP_STRING([--with-jpeg7], [Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)])) AC_ARG_WITH([jpeg8], AC_HELP_STRING([--with-jpeg8], [Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)])) if test "x${with_jpeg8}" = "xyes"; then JPEG_LIB_VERSION=80 else if test "x${with_jpeg7}" = "xyes"; then JPEG_LIB_VERSION=70 else JPEG_LIB_VERSION=62 fi fi fi JPEG_LIB_VERSION_DECIMAL=`expr $JPEG_LIB_VERSION / 10`.`expr $JPEG_LIB_VERSION % 10` AC_SUBST(JPEG_LIB_VERSION_DECIMAL) AC_MSG_RESULT([$JPEG_LIB_VERSION_DECIMAL]) AC_DEFINE_UNQUOTED(JPEG_LIB_VERSION, [$JPEG_LIB_VERSION], [libjpeg API version]) AC_ARG_VAR(SO_MAJOR_VERSION, [Major version of the libjpeg-turbo shared library (default is determined by the API version)]) AC_ARG_VAR(SO_MINOR_VERSION, [Minor version of the libjpeg-turbo shared library (default is determined by the API version)]) if test "x$SO_MAJOR_VERSION" = "x"; then case "$JPEG_LIB_VERSION" in 62) SO_MAJOR_VERSION=$JPEG_LIB_VERSION ;; *) SO_MAJOR_VERSION=`expr $JPEG_LIB_VERSION / 10` ;; esac fi if test "x$SO_MINOR_VERSION" = "x"; then case "$JPEG_LIB_VERSION" in 80) SO_MINOR_VERSION=2 ;; *) SO_MINOR_VERSION=0 ;; esac fi RPM_CONFIG_ARGS= # Memory source/destination managers SO_AGE=0 MEM_SRCDST_FUNCTIONS= if test "x${with_jpeg8}" != "xyes"; then AC_MSG_CHECKING([whether to include in-memory source/destination managers]) AC_ARG_WITH([mem-srcdst], AC_HELP_STRING([--without-mem-srcdst], [Do not include in-memory source/destination manager functions when emulating the libjpeg v6b or v7 API/ABI])) if test "x$with_mem_srcdst" != "xno"; then AC_MSG_RESULT(yes) AC_DEFINE([MEM_SRCDST_SUPPORTED], [1], [Support in-memory source/destination managers]) SO_AGE=1 MEM_SRCDST_FUNCTIONS="global: jpeg_mem_dest; jpeg_mem_src;"; else AC_MSG_RESULT(no) RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-mem-srcdst" fi fi AC_MSG_CHECKING([libjpeg shared library version]) AC_MSG_RESULT([$SO_MAJOR_VERSION.$SO_AGE.$SO_MINOR_VERSION]) LIBTOOL_CURRENT=`expr $SO_MAJOR_VERSION + $SO_AGE` AC_SUBST(LIBTOOL_CURRENT) AC_SUBST(SO_MAJOR_VERSION) AC_SUBST(SO_MINOR_VERSION) AC_SUBST(SO_AGE) AC_SUBST(MEM_SRCDST_FUNCTIONS) AC_DEFINE_UNQUOTED(LIBJPEG_TURBO_VERSION, [$VERSION], [libjpeg-turbo version]) VERSION_SCRIPT=yes AC_ARG_ENABLE([ld-version-script], AS_HELP_STRING([--disable-ld-version-script], [Disable linker version script for libjpeg-turbo (default is to use linker version script if the linker supports it)]), [VERSION_SCRIPT=$enableval], []) AC_MSG_CHECKING([whether the linker supports version scripts]) SAVED_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -Wl,--version-script,conftest.map" cat > conftest.map <<EOF VERS_1 { global: *; }; EOF AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [VERSION_SCRIPT_FLAG=-Wl,--version-script,; AC_MSG_RESULT([yes (GNU style)])], []) if test "x$VERSION_SCRIPT_FLAG" = "x"; then LDFLAGS="$SAVED_LDFLAGS -Wl,-M,conftest.map" AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])], [VERSION_SCRIPT_FLAG=-Wl,-M,; AC_MSG_RESULT([yes (Sun style)])], []) fi if test "x$VERSION_SCRIPT_FLAG" = "x"; then VERSION_SCRIPT=no AC_MSG_RESULT(no) fi LDFLAGS="$SAVED_LDFLAGS" AC_MSG_CHECKING([whether to use version script when building libjpeg-turbo]) AC_MSG_RESULT($VERSION_SCRIPT) AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes") AC_SUBST(VERSION_SCRIPT_FLAG) # Check for non-broken inline under various spellings AC_MSG_CHECKING(for inline) ljt_cv_inline="" AC_TRY_COMPILE(, [} inline __attribute__((always_inline)) int foo() { return 0; } int bar() { return foo();], ljt_cv_inline="inline __attribute__((always_inline))", AC_TRY_COMPILE(, [} __inline__ int foo() { return 0; } int bar() { return foo();], ljt_cv_inline="__inline__", AC_TRY_COMPILE(, [} __inline int foo() { return 0; 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then with_arith_dec=no fi if test "x$with_arith_dec" = "xno"; then AC_MSG_RESULT(no) RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-dec" else AC_DEFINE([D_ARITH_CODING_SUPPORTED], [1], [Support arithmetic decoding]) AC_MSG_RESULT(yes) fi AM_CONDITIONAL([WITH_ARITH_DEC], [test "x$with_arith_dec" != "xno"]) AM_CONDITIONAL([WITH_ARITH], [test "x$with_arith_dec" != "xno" -o "x$with_arith_enc" != "xno"]) # 12-bit component support AC_MSG_CHECKING([whether to use 12-bit samples]) AC_ARG_WITH([12bit], AC_HELP_STRING([--with-12bit], [Encode/decode JPEG images with 12-bit samples (implies --without-simd --without-turbojpeg --without-arith-dec --without-arith-enc)])) if test "x$with_12bit" = "xyes"; then AC_DEFINE([BITS_IN_JSAMPLE], [12], [use 8 or 12]) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi AM_CONDITIONAL([WITH_12BIT], [test "x$with_12bit" = "xyes"]) # TurboJPEG support AC_MSG_CHECKING([whether to build TurboJPEG C wrapper]) AC_ARG_WITH([turbojpeg], AC_HELP_STRING([--without-turbojpeg], [Do not include the TurboJPEG wrapper library and associated test programs])) if test "x$with_12bit" = "xyes"; then with_turbojpeg=no fi if test "x$with_turbojpeg" = "xno"; then AC_MSG_RESULT(no) RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-turbojpeg" else AC_MSG_RESULT(yes) fi # Java support AC_ARG_VAR(JAVAC, [Java compiler command (default: javac)]) if test "x$JAVAC" = "x"; then JAVAC=javac fi AC_SUBST(JAVAC) AC_ARG_VAR(JAVACFLAGS, [Java compiler flags]) AC_SUBST(JAVACFLAGS) AC_ARG_VAR(JAR, [Java archive command (default: jar)]) if test "x$JAR" = "x"; then JAR=jar fi AC_SUBST(JAR) AC_ARG_VAR(JAVA, [Java runtime command (default: java)]) if test "x$JAVA" = "x"; then JAVA=java fi AC_SUBST(JAVA) 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)]) AC_MSG_CHECKING([whether to build TurboJPEG Java wrapper]) AC_ARG_WITH([java], AC_HELP_STRING([--with-java], [Build Java wrapper for the TurboJPEG library])) if test "x$with_12bit" = "xyes" -o "x$with_turbojpeg" = "xno"; then with_java=no fi WITH_JAVA=0 if test "x$with_java" = "xyes"; then AC_MSG_RESULT(yes) case $host_os in darwin*) DEFAULT_JNI_CFLAGS=-I/System/Library/Frameworks/JavaVM.framework/Headers ;; solaris*) DEFAULT_JNI_CFLAGS='-I/usr/java/include -I/usr/java/include/solaris' ;; linux*) DEFAULT_JNI_CFLAGS='-I/usr/java/default/include -I/usr/java/default/include/linux' ;; esac if test "x$JNI_CFLAGS" = "x"; then JNI_CFLAGS=$DEFAULT_JNI_CFLAGS fi SAVE_CPPFLAGS=${CPPFLAGS} CPPFLAGS="${CPPFLAGS} ${JNI_CFLAGS}" AC_CHECK_HEADERS([jni.h], [DUMMY=1], [AC_MSG_ERROR([Could not find JNI header file])]) CPPFLAGS=${SAVE_CPPFLAGS} AC_SUBST(JNI_CFLAGS) RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --with-java" JAVA_RPM_CONTENTS_1='%dir %{_datadir}/classes' JAVA_RPM_CONTENTS_2=%{_datadir}/classes/turbojpeg.jar WITH_JAVA=1 else AC_MSG_RESULT(no) fi AM_CONDITIONAL([WITH_JAVA], [test "x$with_java" = "xyes"]) AC_SUBST(WITH_JAVA) AC_SUBST(JAVA_RPM_CONTENTS_1) AC_SUBST(JAVA_RPM_CONTENTS_2) # optionally force using gas-preprocessor.pl for compatibility testing AC_ARG_WITH([gas-preprocessor], AC_HELP_STRING([--with-gas-preprocessor], [Force using gas-preprocessor.pl on ARM.])) if test "x${with_gas_preprocessor}" = "xyes"; then case $host_os in darwin*) CCAS="gas-preprocessor.pl -fix-unreq $CC" ;; *) CCAS="gas-preprocessor.pl -no-fix-unreq $CC" ;; esac AC_SUBST([CCAS]) fi # SIMD is optional AC_ARG_WITH([simd], AC_HELP_STRING([--without-simd], [Do not include SIMD extensions])) if test "x$with_12bit" = "xyes"; then with_simd=no fi if test "x${with_simd}" != "xno"; then require_simd=no if test "x${with_simd}" = "xyes"; then require_simd=yes fi # Check if we're on a supported CPU AC_MSG_CHECKING([if we have SIMD optimisations for cpu type]) case "$host_cpu" in x86_64 | amd64) AC_MSG_RESULT([yes (x86_64)]) AC_PROG_NASM simd_arch=x86_64 ;; i*86 | x86 | ia32) AC_MSG_RESULT([yes (i386)]) AC_PROG_NASM simd_arch=i386 ;; arm*) AC_MSG_RESULT([yes (arm)]) AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used]) AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE( [if test "x$ac_use_gas_preprocessor" = "xyes"; then AC_MSG_RESULT([yes (with gas-preprocessor)]) else AC_MSG_RESULT([yes]) fi simd_arch=arm], [AC_MSG_RESULT([no]) with_simd=no]) if test "x${with_simd}" = "xno"; 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AC_CONFIG_HEADERS([config.h]) AC_CONFIG_HEADERS([jconfig.h]) AC_CONFIG_HEADERS([jconfigint.h]) AC_CONFIG_FILES([pkgscripts/libjpeg-turbo.spec.tmpl:release/libjpeg-turbo.spec.in]) AC_CONFIG_FILES([pkgscripts/makecygwinpkg.tmpl:release/makecygwinpkg.in]) AC_CONFIG_FILES([pkgscripts/makedpkg.tmpl:release/makedpkg.in]) AC_CONFIG_FILES([pkgscripts/makemacpkg.tmpl:release/makemacpkg.in]) AC_CONFIG_FILES([pkgscripts/uninstall.tmpl:release/uninstall.in]) if test "x$with_turbojpeg" != "xno"; then AC_CONFIG_FILES([tjbenchtest]) fi if test "x$with_java" = "xyes"; then AC_CONFIG_FILES([tjbenchtest.java]) AC_CONFIG_FILES([tjexampletest]) fi AC_CONFIG_FILES([libjpeg.map]) AC_CONFIG_FILES([Makefile simd/Makefile]) AC_CONFIG_FILES([java/Makefile]) AC_CONFIG_FILES([md5/Makefile]) AC_OUTPUT