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      1 #                                               -*- Autoconf -*-
      2 # Process this file with autoconf to produce a configure script.
      3 
      4 AC_PREREQ([2.56])
      5 AC_INIT([libjpeg-turbo], [1.4.2])
      6 
      7 AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])
      8 AC_PREFIX_DEFAULT(/opt/libjpeg-turbo)
      9 
     10 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
     11 
     12 # Checks for programs.
     13 SAVED_CFLAGS=${CFLAGS}
     14 SAVED_CPPFLAGS=${CPPFLAGS}
     15 AC_PROG_CPP
     16 AC_PROG_CC
     17 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
     18 AM_PROG_AS
     19 AM_PROG_CC_C_O
     20 AC_PROG_INSTALL
     21 AC_PROG_LIBTOOL
     22 AC_PROG_LN_S
     23 
     24 AC_ARG_WITH([build-date], [Use custom build string to enable reproducible builds (default: YYMMDD)],
     25   [BUILD="$with_build_date"],
     26   [BUILD=`date +%Y%m%d`])
     27 
     28 # When the prefix is /opt/libjpeg-turbo, we assume that an "official" binary is
     29 # being created, and thus we install things into specific locations.
     30 
     31 old_prefix=${prefix}
     32 if test "x$prefix" = "xNONE" -a "x$ac_default_prefix" != "x"; then
     33   prefix=$ac_default_prefix
     34 fi
     35 DATADIR=`eval echo ${datadir}`
     36 DATADIR=`eval echo $DATADIR`
     37 if test "$DATADIR" = "/opt/libjpeg-turbo/share"; then
     38   datadir='${prefix}'
     39 fi
     40 DATADIR=`eval echo ${datarootdir}`
     41 DATADIR=`eval echo $DATADIR`
     42 if test "$DATADIR" = "/opt/libjpeg-turbo/share"; then
     43   datarootdir='${prefix}'
     44 fi
     45 DOCDIR=`eval echo ${docdir}`
     46 DOCDIR=`eval echo $DOCDIR`
     47 if test "$DOCDIR" = "/opt/libjpeg-turbo/doc/libjpeg-turbo"; then
     48   docdir='${datadir}/doc'
     49 fi
     50 
     51 old_exec_prefix=${exec_prefix}
     52 if test "x$exec_prefix" = "xNONE"; then
     53   exec_prefix=${prefix}
     54 fi
     55 
     56 AC_CHECK_SIZEOF(size_t)
     57 
     58 if test "x${libdir}" = 'x${exec_prefix}/lib' -o "x${libdir}" = 'x${prefix}/lib'; then
     59   LIBDIR=`eval echo ${libdir}`
     60   LIBDIR=`eval echo $LIBDIR`
     61   if test "$LIBDIR" = "/opt/libjpeg-turbo/lib"; then
     62     case $host_os in
     63       darwin*)
     64         ;;
     65       *)
     66         if test "${ac_cv_sizeof_size_t}" = "8"; then
     67           libdir='${exec_prefix}/lib64'
     68         elif test "${ac_cv_sizeof_size_t}" = "4"; then
     69           libdir='${exec_prefix}/lib32'
     70         fi
     71         ;;
     72     esac
     73   fi
     74 fi
     75 exec_prefix=${old_exec_prefix}
     76 prefix=${old_prefix}
     77 
     78 # Check whether compiler supports pointers to undefined structures
     79 AC_MSG_CHECKING(whether compiler supports pointers to undefined structures)
     80 AC_TRY_COMPILE([ typedef struct undefined_structure * undef_struct_ptr; ], ,
     81   AC_MSG_RESULT(yes),
     82   [AC_MSG_RESULT(no)
     83    AC_DEFINE([INCOMPLETE_TYPES_BROKEN], [1],
     84      [Compiler does not support pointers to undefined structures.])])
     85 
     86 if test "x${GCC}" = "xyes"; then
     87   if test "x${SAVED_CFLAGS}" = "x"; then
     88     CFLAGS=-O3
     89   fi
     90   if test "x${SAVED_CPPFLAGS}" = "x"; then
     91     CPPFLAGS=-Wall
     92   fi
     93 fi
     94 
     95 AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
     96 if test "x${SUNCC}" = "xyes"; then
     97   if test "x${SAVED_CFLAGS}" = "x"; then
     98     CFLAGS=-xO5
     99   fi
    100 fi
    101 
    102 # Checks for libraries.
    103 
    104 # Checks for header files.
    105 AC_HEADER_STDC
    106 AC_CHECK_HEADERS([stddef.h stdlib.h locale.h string.h])
    107 AC_CHECK_HEADER([sys/types.h],
    108   AC_DEFINE([NEED_SYS_TYPES_H], 1, [Define if you need to include <sys/types.h> to get size_t.]))
    109 
    110 # Checks for typedefs, structures, and compiler characteristics.
    111 AC_C_CONST
    112 AC_C_CHAR_UNSIGNED
    113 AC_C_INLINE
    114 AC_TYPE_SIZE_T
    115 AC_CHECK_TYPES([unsigned char, unsigned short])
    116 
    117 AC_MSG_CHECKING([if right shift is signed])
    118 AC_TRY_RUN(
    119   [#include <stdio.h>
    120    int is_shifting_signed (long arg) {
    121      long res = arg >> 4;
    122 
    123      if (res == -0x7F7E80CL)
    124        return 1; /* right shift is signed */
    125 
    126      /* see if unsigned-shift hack will fix it. */
    127      /* we can't just test exact value since it depends on width of long... */
    128      res |= (~0L) << (32-4);
    129      if (res == -0x7F7E80CL)
    130        return 0; /* right shift is unsigned */
    131 
    132      printf("Right shift isn't acting as I expect it to.\n");
    133      printf("I fear the JPEG software will not work at all.\n\n");
    134      return 0; /* try it with unsigned anyway */
    135    }
    136    int main (void) {
    137      exit(is_shifting_signed(-0x7F7E80B1L));
    138    }],
    139   [AC_MSG_RESULT(no)
    140    AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED], 1,
    141      [Define if your (broken) compiler shifts signed values as if they were unsigned.])],
    142   [AC_MSG_RESULT(yes)],
    143   [AC_MSG_RESULT(Assuming that right shift is signed on target machine.)])
    144 
    145 # Checks for library functions.
    146 AC_CHECK_FUNCS([memset memcpy], [],
    147   [AC_DEFINE([NEED_BSD_STRINGS], 1,
    148      [Define if you have BSD-like bzero and bcopy in <strings.h> rather than memset/memcpy in <string.h>.])])
    149 
    150 AC_MSG_CHECKING([libjpeg API version])
    151 AC_ARG_VAR(JPEG_LIB_VERSION, [libjpeg API version (62, 70, or 80)])
    152 if test "x$JPEG_LIB_VERSION" = "x"; then
    153   AC_ARG_WITH([jpeg7],
    154     AC_HELP_STRING([--with-jpeg7],
    155       [Emulate libjpeg v7 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
    156   AC_ARG_WITH([jpeg8],
    157     AC_HELP_STRING([--with-jpeg8],
    158       [Emulate libjpeg v8 API/ABI (this makes libjpeg-turbo backward incompatible with libjpeg v6b.)]))
    159   if test "x${with_jpeg8}" = "xyes"; then
    160     JPEG_LIB_VERSION=80
    161   else
    162     if test "x${with_jpeg7}" = "xyes"; then
    163       JPEG_LIB_VERSION=70
    164     else
    165       JPEG_LIB_VERSION=62
    166     fi
    167   fi
    168 fi
    169 JPEG_LIB_VERSION_DECIMAL=`expr $JPEG_LIB_VERSION / 10`.`expr $JPEG_LIB_VERSION % 10`
    170 AC_SUBST(JPEG_LIB_VERSION_DECIMAL)
    171 AC_MSG_RESULT([$JPEG_LIB_VERSION_DECIMAL])
    172 AC_DEFINE_UNQUOTED(JPEG_LIB_VERSION, [$JPEG_LIB_VERSION],
    173   [libjpeg API version])
    174 
    175 AC_ARG_VAR(SO_MAJOR_VERSION,
    176   [Major version of the libjpeg-turbo shared library (default is determined by the API version)])
    177 AC_ARG_VAR(SO_MINOR_VERSION,
    178   [Minor version of the libjpeg-turbo shared library (default is determined by the API version)])
    179 if test "x$SO_MAJOR_VERSION" = "x"; then
    180   case "$JPEG_LIB_VERSION" in
    181     62)  SO_MAJOR_VERSION=$JPEG_LIB_VERSION ;;
    182     *)   SO_MAJOR_VERSION=`expr $JPEG_LIB_VERSION / 10` ;;
    183   esac
    184 fi
    185 if test "x$SO_MINOR_VERSION" = "x"; then
    186   case "$JPEG_LIB_VERSION" in
    187     80)  SO_MINOR_VERSION=2 ;;
    188     *)   SO_MINOR_VERSION=0 ;;
    189   esac
    190 fi
    191 
    192 RPM_CONFIG_ARGS=
    193 
    194 # Memory source/destination managers
    195 SO_AGE=0
    196 MEM_SRCDST_FUNCTIONS=
    197 if test "x${with_jpeg8}" != "xyes"; then
    198   AC_MSG_CHECKING([whether to include in-memory source/destination managers])
    199   AC_ARG_WITH([mem-srcdst],
    200     AC_HELP_STRING([--without-mem-srcdst],
    201       [Do not include in-memory source/destination manager functions when emulating the libjpeg v6b or v7 API/ABI]))
    202   if test "x$with_mem_srcdst" != "xno"; then
    203     AC_MSG_RESULT(yes)
    204     AC_DEFINE([MEM_SRCDST_SUPPORTED], [1],
    205       [Support in-memory source/destination managers])
    206     SO_AGE=1
    207     MEM_SRCDST_FUNCTIONS="global:  jpeg_mem_dest;  jpeg_mem_src;";
    208   else
    209     AC_MSG_RESULT(no)
    210     RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-mem-srcdst"
    211   fi
    212 fi
    213 
    214 AC_MSG_CHECKING([libjpeg shared library version])
    215 AC_MSG_RESULT([$SO_MAJOR_VERSION.$SO_AGE.$SO_MINOR_VERSION])
    216 LIBTOOL_CURRENT=`expr $SO_MAJOR_VERSION + $SO_AGE`
    217 AC_SUBST(LIBTOOL_CURRENT)
    218 AC_SUBST(SO_MAJOR_VERSION)
    219 AC_SUBST(SO_MINOR_VERSION)
    220 AC_SUBST(SO_AGE)
    221 AC_SUBST(MEM_SRCDST_FUNCTIONS)
    222 
    223 AC_DEFINE_UNQUOTED(LIBJPEG_TURBO_VERSION, [$VERSION], [libjpeg-turbo version])
    224 
    225 VERSION_SCRIPT=yes
    226 AC_ARG_ENABLE([ld-version-script],
    227   AS_HELP_STRING([--disable-ld-version-script],
    228     [Disable linker version script for libjpeg-turbo (default is to use linker version script if the linker supports it)]),
    229   [VERSION_SCRIPT=$enableval], [])
    230 
    231 AC_MSG_CHECKING([whether the linker supports version scripts])
    232 SAVED_LDFLAGS="$LDFLAGS"
    233 LDFLAGS="$LDFLAGS -Wl,--version-script,conftest.map"
    234 cat > conftest.map <<EOF
    235 VERS_1 {
    236   global: *;
    237 };
    238 EOF
    239 AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
    240   [VERSION_SCRIPT_FLAG=-Wl,--version-script,;
    241    AC_MSG_RESULT([yes (GNU style)])],
    242   [])
    243 if test "x$VERSION_SCRIPT_FLAG" = "x"; then
    244   LDFLAGS="$SAVED_LDFLAGS -Wl,-M,conftest.map"
    245   AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
    246     [VERSION_SCRIPT_FLAG=-Wl,-M,;
    247      AC_MSG_RESULT([yes (Sun style)])],
    248     [])
    249 fi
    250 if test "x$VERSION_SCRIPT_FLAG" = "x"; then
    251   VERSION_SCRIPT=no
    252   AC_MSG_RESULT(no)
    253 fi
    254 LDFLAGS="$SAVED_LDFLAGS"
    255 
    256 AC_MSG_CHECKING([whether to use version script when building libjpeg-turbo])
    257 AC_MSG_RESULT($VERSION_SCRIPT)
    258 
    259 AM_CONDITIONAL(VERSION_SCRIPT, test "x$VERSION_SCRIPT" = "xyes")
    260 AC_SUBST(VERSION_SCRIPT_FLAG)
    261 
    262 # Check for non-broken inline under various spellings
    263 AC_MSG_CHECKING(for inline)
    264 ljt_cv_inline=""
    265 AC_TRY_COMPILE(, [} inline __attribute__((always_inline)) int foo() { return 0; }
    266 int bar() { return foo();], ljt_cv_inline="inline __attribute__((always_inline))",
    267 AC_TRY_COMPILE(, [} __inline__ int foo() { return 0; }
    268 int bar() { return foo();], ljt_cv_inline="__inline__",
    269 AC_TRY_COMPILE(, [} __inline int foo() { return 0; }
    270 int bar() { return foo();], ljt_cv_inline="__inline",
    271 AC_TRY_COMPILE(, [} inline int foo() { return 0; }
    272 int bar() { return foo();], ljt_cv_inline="inline"))))
    273 AC_MSG_RESULT($ljt_cv_inline)
    274 AC_DEFINE_UNQUOTED([INLINE],[$ljt_cv_inline],[How to obtain function inlining.])
    275 
    276 # Arithmetic coding support
    277 AC_MSG_CHECKING([whether to include arithmetic encoding support])
    278 AC_ARG_WITH([arith-enc],
    279   AC_HELP_STRING([--without-arith-enc],
    280     [Do not include arithmetic encoding support]))
    281 if test "x$with_12bit" = "xyes"; then
    282   with_arith_enc=no
    283 fi
    284 if test "x$with_arith_enc" = "xno"; then
    285   AC_MSG_RESULT(no)
    286   RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-enc"
    287 else
    288   AC_DEFINE([C_ARITH_CODING_SUPPORTED], [1], [Support arithmetic encoding])
    289   AC_MSG_RESULT(yes)
    290 fi
    291 AM_CONDITIONAL([WITH_ARITH_ENC], [test "x$with_arith_enc" != "xno"])
    292 
    293 AC_MSG_CHECKING([whether to include arithmetic decoding support])
    294 AC_ARG_WITH([arith-dec],
    295   AC_HELP_STRING([--without-arith-dec],
    296     [Do not include arithmetic decoding support]))
    297 if test "x$with_12bit" = "xyes"; then
    298   with_arith_dec=no
    299 fi
    300 if test "x$with_arith_dec" = "xno"; then
    301   AC_MSG_RESULT(no)
    302   RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-arith-dec"
    303 else
    304   AC_DEFINE([D_ARITH_CODING_SUPPORTED], [1], [Support arithmetic decoding])
    305   AC_MSG_RESULT(yes)
    306 fi
    307 AM_CONDITIONAL([WITH_ARITH_DEC], [test "x$with_arith_dec" != "xno"])
    308 
    309 AM_CONDITIONAL([WITH_ARITH],
    310   [test "x$with_arith_dec" != "xno" -o "x$with_arith_enc" != "xno"])
    311 
    312 # 12-bit component support
    313 AC_MSG_CHECKING([whether to use 12-bit samples])
    314 AC_ARG_WITH([12bit],
    315   AC_HELP_STRING([--with-12bit], [Encode/decode JPEG images with 12-bit samples (implies --without-simd --without-turbojpeg --without-arith-dec --without-arith-enc)]))
    316 if test "x$with_12bit" = "xyes"; then
    317   AC_DEFINE([BITS_IN_JSAMPLE], [12], [use 8 or 12])
    318   AC_MSG_RESULT(yes)
    319 else
    320   AC_MSG_RESULT(no)
    321 fi
    322 AM_CONDITIONAL([WITH_12BIT], [test "x$with_12bit" = "xyes"])
    323 
    324 # TurboJPEG support
    325 AC_MSG_CHECKING([whether to build TurboJPEG C wrapper])
    326 AC_ARG_WITH([turbojpeg],
    327   AC_HELP_STRING([--without-turbojpeg],
    328     [Do not include the TurboJPEG wrapper library and associated test programs]))
    329 if test "x$with_12bit" = "xyes"; then
    330   with_turbojpeg=no
    331 fi
    332 if test "x$with_turbojpeg" = "xno"; then
    333   AC_MSG_RESULT(no)
    334   RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-turbojpeg"
    335 else
    336   AC_MSG_RESULT(yes)
    337 fi
    338 
    339 # Java support
    340 AC_ARG_VAR(JAVAC, [Java compiler command (default: javac)])
    341 if test "x$JAVAC" = "x"; then
    342   JAVAC=javac
    343 fi
    344 AC_SUBST(JAVAC)
    345 AC_ARG_VAR(JAVACFLAGS, [Java compiler flags])
    346 AC_SUBST(JAVACFLAGS)
    347 AC_ARG_VAR(JAR, [Java archive command (default: jar)])
    348 if test "x$JAR" = "x"; then
    349   JAR=jar
    350 fi
    351 AC_SUBST(JAR)
    352 AC_ARG_VAR(JAVA, [Java runtime command (default: java)])
    353 if test "x$JAVA" = "x"; then
    354   JAVA=java
    355 fi
    356 AC_SUBST(JAVA)
    357 AC_ARG_VAR(JNI_CFLAGS,
    358   [C compiler flags needed to include jni.h (default: -I/System/Library/Frameworks/JavaVM.framework/Headers on OS X, '-I/usr/java/include -I/usr/java/include/solaris' on Solaris, and '-I/usr/java/default/include -I/usr/java/default/include/linux' on Linux)])
    359 
    360 AC_MSG_CHECKING([whether to build TurboJPEG Java wrapper])
    361 AC_ARG_WITH([java],
    362   AC_HELP_STRING([--with-java], [Build Java wrapper for the TurboJPEG library]))
    363 if test "x$with_12bit" = "xyes" -o "x$with_turbojpeg" = "xno"; then
    364   with_java=no
    365 fi
    366 
    367 WITH_JAVA=0
    368 if test "x$with_java" = "xyes"; then
    369   AC_MSG_RESULT(yes)
    370 
    371   case $host_os in
    372     darwin*)
    373       DEFAULT_JNI_CFLAGS=-I/System/Library/Frameworks/JavaVM.framework/Headers
    374       ;;
    375     solaris*)
    376       DEFAULT_JNI_CFLAGS='-I/usr/java/include -I/usr/java/include/solaris'
    377       ;;
    378     linux*)
    379       DEFAULT_JNI_CFLAGS='-I/usr/java/default/include -I/usr/java/default/include/linux'
    380       ;;
    381   esac
    382   if test "x$JNI_CFLAGS" = "x"; then
    383     JNI_CFLAGS=$DEFAULT_JNI_CFLAGS
    384   fi
    385 
    386   SAVE_CPPFLAGS=${CPPFLAGS}
    387   CPPFLAGS="${CPPFLAGS} ${JNI_CFLAGS}"
    388   AC_CHECK_HEADERS([jni.h], [DUMMY=1],
    389     [AC_MSG_ERROR([Could not find JNI header file])])
    390   CPPFLAGS=${SAVE_CPPFLAGS}
    391   AC_SUBST(JNI_CFLAGS)
    392 
    393   RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --with-java"
    394   JAVA_RPM_CONTENTS_1='%dir %{_datadir}/classes'
    395   JAVA_RPM_CONTENTS_2=%{_datadir}/classes/turbojpeg.jar
    396   WITH_JAVA=1
    397 else
    398   AC_MSG_RESULT(no)
    399 fi
    400 AM_CONDITIONAL([WITH_JAVA], [test "x$with_java" = "xyes"])
    401 AC_SUBST(WITH_JAVA)
    402 AC_SUBST(JAVA_RPM_CONTENTS_1)
    403 AC_SUBST(JAVA_RPM_CONTENTS_2)
    404 
    405 # optionally force using gas-preprocessor.pl for compatibility testing
    406 AC_ARG_WITH([gas-preprocessor],
    407   AC_HELP_STRING([--with-gas-preprocessor],
    408     [Force using gas-preprocessor.pl on ARM.]))
    409 if test "x${with_gas_preprocessor}" = "xyes"; then
    410   case $host_os in
    411     darwin*)
    412       CCAS="gas-preprocessor.pl -fix-unreq $CC"
    413       ;;
    414     *)
    415       CCAS="gas-preprocessor.pl -no-fix-unreq $CC"
    416       ;;
    417   esac
    418   AC_SUBST([CCAS])
    419 fi
    420 
    421 # SIMD is optional
    422 AC_ARG_WITH([simd],
    423   AC_HELP_STRING([--without-simd], [Do not include SIMD extensions]))
    424 if test "x$with_12bit" = "xyes"; then
    425   with_simd=no
    426 fi
    427 if test "x${with_simd}" != "xno"; then
    428   require_simd=no
    429   if test "x${with_simd}" = "xyes"; then
    430     require_simd=yes
    431   fi
    432   # Check if we're on a supported CPU
    433   AC_MSG_CHECKING([if we have SIMD optimisations for cpu type])
    434   case "$host_cpu" in
    435     x86_64 | amd64)
    436       AC_MSG_RESULT([yes (x86_64)])
    437       AC_PROG_NASM
    438       simd_arch=x86_64
    439       ;;
    440     i*86 | x86 | ia32)
    441       AC_MSG_RESULT([yes (i386)])
    442       AC_PROG_NASM
    443       simd_arch=i386
    444       ;;
    445     arm*)
    446       AC_MSG_RESULT([yes (arm)])
    447       AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
    448       AC_CHECK_COMPATIBLE_ARM_ASSEMBLER_IFELSE(
    449         [if test "x$ac_use_gas_preprocessor" = "xyes"; then
    450            AC_MSG_RESULT([yes (with gas-preprocessor)])
    451          else
    452            AC_MSG_RESULT([yes])
    453          fi
    454          simd_arch=arm],
    455         [AC_MSG_RESULT([no])
    456          with_simd=no])
    457       if test "x${with_simd}" = "xno"; then
    458         if test "x${require_simd}" = "xyes"; then
    459           AC_MSG_ERROR([SIMD support can't be enabled.])
    460         else
    461           AC_MSG_WARN([SIMD support can't be enabled.  Performance will suffer.])
    462         fi
    463       fi
    464       ;;
    465     aarch64*)
    466       AC_MSG_RESULT([yes (arm64)])
    467       AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
    468       AC_CHECK_COMPATIBLE_ARM64_ASSEMBLER_IFELSE(
    469         [if test "x$ac_use_gas_preprocessor" = "xyes"; then
    470            AC_MSG_RESULT([yes (with gas-preprocessor)])
    471          else
    472            AC_MSG_RESULT([yes])
    473          fi
    474          simd_arch=aarch64],
    475         [AC_MSG_RESULT([no])
    476          with_simd=no])
    477       if test "x${with_simd}" = "xno"; then
    478         if test "x${require_simd}" = "xyes"; then
    479           AC_MSG_ERROR([SIMD support can't be enabled.])
    480         else
    481           AC_MSG_WARN([SIMD support can't be enabled.  Performance will suffer.])
    482         fi
    483       fi
    484       ;;
    485     mips*)
    486       AC_MSG_RESULT([yes (mips)])
    487       AC_MSG_CHECKING([if the assembler is GNU-compatible and can be used])
    488       AC_CHECK_COMPATIBLE_MIPS_ASSEMBLER_IFELSE(
    489         [AC_MSG_RESULT([yes])
    490          simd_arch=mips],
    491         [AC_MSG_RESULT([no])
    492          with_simd=no])
    493       if test "x${with_simd}" = "xno"; then
    494         if test "x${require_simd}" = "xyes"; then
    495           AC_MSG_ERROR([SIMD support can't be enabled.])
    496         else
    497           AC_MSG_WARN([SIMD support can't be enabled.  Performance will suffer.])
    498         fi
    499       fi
    500       ;;
    501     *)
    502       AC_MSG_RESULT([no ("$host_cpu")])
    503       with_simd=no;
    504       if test "x${require_simd}" = "xyes"; then
    505         AC_MSG_ERROR([SIMD support not available for this CPU.])
    506       else
    507         AC_MSG_WARN([SIMD support not available for this CPU.  Performance will suffer.])
    508       fi
    509       ;;
    510   esac
    511 
    512   if test "x${with_simd}" != "xno"; then
    513     AC_DEFINE([WITH_SIMD], [1], [Use accelerated SIMD routines.])
    514   fi
    515 else
    516   RPM_CONFIG_ARGS="$RPM_CONFIG_ARGS --without-simd"
    517 fi
    518 
    519 AM_CONDITIONAL([WITH_SIMD], [test "x$with_simd" != "xno"])
    520 AM_CONDITIONAL([WITH_SSE_FLOAT_DCT], [test "x$simd_arch" = "xx86_64" -o "x$simd_arch" = "xi386"])
    521 AM_CONDITIONAL([SIMD_I386], [test "x$simd_arch" = "xi386"])
    522 AM_CONDITIONAL([SIMD_X86_64], [test "x$simd_arch" = "xx86_64"])
    523 AM_CONDITIONAL([SIMD_ARM], [test "x$simd_arch" = "xarm"])
    524 AM_CONDITIONAL([SIMD_ARM_64], [test "x$simd_arch" = "xaarch64"])
    525 AM_CONDITIONAL([SIMD_MIPS], [test "x$simd_arch" = "xmips"])
    526 AM_CONDITIONAL([X86_64], [test "x$host_cpu" = "xx86_64" -o "x$host_cpu" = "xamd64"])
    527 AM_CONDITIONAL([WITH_TURBOJPEG], [test "x$with_turbojpeg" != "xno"])
    528 
    529 AC_ARG_VAR(PKGNAME, [distribution package name (default: libjpeg-turbo)])
    530 if test "x$PKGNAME" = "x"; then
    531   PKGNAME=$PACKAGE_NAME
    532 fi
    533 AC_SUBST(PKGNAME)
    534 
    535 case "$host_cpu" in
    536   x86_64)
    537     RPMARCH=x86_64
    538     DEBARCH=amd64
    539     ;;
    540   i*86 | x86 | ia32)
    541     RPMARCH=i386
    542     DEBARCH=i386
    543     ;;
    544   *)
    545     RPMARCH=`uname -m`
    546     DEBARCH=$RPMARCH
    547     ;;
    548 esac
    549 
    550 if test "${docdir}" = ""; then
    551   docdir=${datadir}/doc
    552   AC_SUBST(docdir)
    553 fi
    554 
    555 AC_SUBST(RPMARCH)
    556 AC_SUBST(RPM_CONFIG_ARGS)
    557 AC_SUBST(DEBARCH)
    558 AC_SUBST(BUILD)
    559 AC_DEFINE_UNQUOTED([BUILD], "$BUILD", [libjpeg-turbo build number])
    560 
    561 # NOTE: autoheader automatically modifies the input file of the first
    562 # invocation of AC_CONFIG_HEADERS, so we put config.h first to prevent
    563 # jconfig.h.in from being clobbered.  config.h is used only internally, whereas
    564 # jconfig.h contains macros that are relevant to external programs (macros that
    565 # specify which features were built into the library.)
    566 AC_CONFIG_HEADERS([config.h])
    567 AC_CONFIG_HEADERS([jconfig.h])
    568 AC_CONFIG_HEADERS([jconfigint.h])
    569 AC_CONFIG_FILES([pkgscripts/libjpeg-turbo.spec.tmpl:release/libjpeg-turbo.spec.in])
    570 AC_CONFIG_FILES([pkgscripts/makecygwinpkg.tmpl:release/makecygwinpkg.in])
    571 AC_CONFIG_FILES([pkgscripts/makedpkg.tmpl:release/makedpkg.in])
    572 AC_CONFIG_FILES([pkgscripts/makemacpkg.tmpl:release/makemacpkg.in])
    573 AC_CONFIG_FILES([pkgscripts/uninstall.tmpl:release/uninstall.in])
    574 if test "x$with_turbojpeg" != "xno"; then
    575   AC_CONFIG_FILES([tjbenchtest])
    576 fi
    577 if test "x$with_java" = "xyes"; then
    578   AC_CONFIG_FILES([tjbenchtest.java])
    579   AC_CONFIG_FILES([tjexampletest])
    580 fi
    581 AC_CONFIG_FILES([libjpeg.map])
    582 AC_CONFIG_FILES([Makefile simd/Makefile])
    583 AC_CONFIG_FILES([java/Makefile])
    584 AC_CONFIG_FILES([md5/Makefile])
    585 AC_OUTPUT
    586