kmx git

dnl Process this file with autoconf to produce a configure script.
AC_INIT([jcmaster.c])
AC_CONFIG_HEADER([jconfig.h:jconfig.cfg])
dnl --------------------------------------------------------------------
AC_PROG_CC
AC_PROG_CPP
dnl --------------------------------------------------------------------
AC_MSG_CHECKING([for function prototypes])
AC_CACHE_VAL([ijg_cv_have_prototypes],[AC_TRY_COMPILE([
int testfunction (int arg1, int * arg2); /* check prototypes */
struct methods_struct {		/* check method-pointer declarations */
  int (*error_exit) (char *msgtext);
  int (*trace_message) (char *msgtext);
  int (*another_method) (void);
};
int testfunction (int arg1, int * arg2) /* check definitions */
{ return arg2[arg1]; }
int test2function (void)	/* check void arg list */
{ return 0; }
],[ ],[ijg_cv_have_prototypes=yes],[ijg_cv_have_prototypes=no])])
AC_MSG_RESULT([$ijg_cv_have_prototypes])
if test $ijg_cv_have_prototypes = yes; then
  AC_DEFINE([HAVE_PROTOTYPES],)
else
  echo [Your compiler does not seem to know about function prototypes.]
  echo [Perhaps it needs a special switch to enable ANSI C mode.]
  echo [If so, we recommend running configure like this:]
  echo ["   ./configure  CC='cc -switch'"]
  echo [where -switch is the proper switch.]
fi
dnl --------------------------------------------------------------------
AC_CHECK_HEADER([stddef.h],[AC_DEFINE([HAVE_STDDEF_H],)])
AC_CHECK_HEADER([stdlib.h],[AC_DEFINE([HAVE_STDLIB_H],)])
AC_CHECK_HEADER([string.h],[:],[AC_DEFINE([NEED_BSD_STRINGS],)])
dnl --------------------------------------------------------------------
AC_MSG_CHECKING([for size_t])
AC_TRY_COMPILE([
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <stdio.h>
#ifdef NEED_BSD_STRINGS
#include <strings.h>
#else
#include <string.h>
#endif
typedef size_t my_size_t;
],[ my_size_t foovar; ],
[ijg_size_t_ok=yes],
[ijg_size_t_ok="not ANSI, perhaps it is in sys/types.h"])
AC_MSG_RESULT([$ijg_size_t_ok])
if test "$ijg_size_t_ok" != yes; then
AC_CHECK_HEADER([sys/types.h],[AC_DEFINE([NEED_SYS_TYPES_H],)
AC_EGREP_HEADER([size_t],[sys/types.h],
[ijg_size_t_ok="size_t is in sys/types.h"],[ijg_size_t_ok=no])],
[ijg_size_t_ok=no])
AC_MSG_RESULT([$ijg_size_t_ok])
if test "$ijg_size_t_ok" = no; then
  echo [Type size_t is not defined in any of the usual places.]
  echo [Try putting '"typedef unsigned int size_t;"' in jconfig.h.]
fi
fi
dnl --------------------------------------------------------------------
AC_MSG_CHECKING([for type unsigned char])
AC_TRY_COMPILE(,[ unsigned char un_char; ],[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_UNSIGNED_CHAR],)],[AC_MSG_RESULT(no)])
dnl --------------------------------------------------------------------
AC_MSG_CHECKING([for type unsigned short])
AC_TRY_COMPILE(,[ unsigned short un_short; ],[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_UNSIGNED_SHORT],)],[AC_MSG_RESULT(no)])
dnl --------------------------------------------------------------------
AC_MSG_CHECKING([for type void])
AC_TRY_COMPILE([
/* Caution: a C++ compiler will insist on valid prototypes */
typedef void * void_ptr;	/* check void * */
#ifdef HAVE_PROTOTYPES		/* check ptr to function returning void */
typedef void (*void_func) (int a, int b);
#else
typedef void (*void_func) ();
#endif

#ifdef HAVE_PROTOTYPES		/* check void function result */
void test3function (void_ptr arg1, void_func arg2)
#else
void test3function (arg1, arg2)
     void_ptr arg1;
     void_func arg2;
#endif
{
  char * locptr = (char *) arg1; /* check casting to and from void * */
  arg1 = (void *) locptr;
  (*arg2) (1, 2);		/* check call of fcn returning void */
}
],[ ],[AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)
AC_DEFINE([void],[char])])

dnl --------------------------------------------------------------------
AC_MSG_CHECKING([for working const])
AC_CACHE_VAL([ac_cv_c_const],[AC_TRY_COMPILE(,[
/* Ultrix mips cc rejects this.  */
typedef int charset[2]; const charset x;
/* SunOS 4.1.1 cc rejects this.  */
char const *const *ccp;
char **p;
/* NEC SVR4.0.2 mips cc rejects this.  */
struct point {int x, y;};
static struct point const zero = {0,0};
/* AIX XL C 1.02.0.0 rejects this.
   It does not let you subtract one const X* pointer from another in an arm
   of an if-expression whose if-part is not a constant expression */
const char *g = "string";
ccp = &g + (g ? g-g : 0);
/* HPUX 7.0 cc rejects these. */
++ccp;
p = (char**) ccp;
ccp = (char const *const *) p;
{ /* SCO 3.2v4 cc rejects this.  */
  char *t;
  char const *s = 0 ? (char *) 0 : (char const *) 0;

  *t++ = 0;
}
{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this.  */
  int x[] = {25, 17};
  const int *foo = &x[0];
  ++foo;
}
{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
  typedef const int *iptr;
  iptr p = 0;
  ++p;
}
{ /* AIX XL C 1.02.0.0 rejects this saying
     "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
  struct s { int j; const int *ap[3]; };
  struct s *b; b->j = 5;
}
{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
  const int foo = 10;
}
],[ac_cv_c_const=yes],[ac_cv_c_const=no])])
AC_MSG_RESULT([$ac_cv_c_const])
if test $ac_cv_c_const = no; then
  AC_DEFINE([const],)
fi

dnl --------------------------------------------------------------------
AC_MSG_CHECKING([for inline])
ijg_cv_inline=""
AC_TRY_COMPILE(,[} __inline__ int foo() { return 0; }
int bar() { return foo();],[ijg_cv_inline="__inline__"],
[AC_TRY_COMPILE(,[} __inline int foo() { return 0; }
int bar() { return foo();],[ijg_cv_inline="__inline"],
[AC_TRY_COMPILE(,[} inline int foo() { return 0; }
int bar() { return foo();],[ijg_cv_inline="inline"],)])])
AC_MSG_RESULT([$ijg_cv_inline])
AC_DEFINE_UNQUOTED([INLINE],[$ijg_cv_inline])
dnl --------------------------------------------------------------------
AC_MSG_CHECKING([for broken incomplete types])
AC_TRY_COMPILE([ typedef struct undefined_structure * undef_struct_ptr; ],
,[AC_MSG_RESULT(ok)],[AC_MSG_RESULT(broken)
AC_DEFINE([INCOMPLETE_TYPES_BROKEN],)])
dnl --------------------------------------------------------------------
AC_MSG_CHECKING([for short external names])
AC_TRY_LINK([
int possibly_duplicate_function () { return 0; }
int possibly_dupli_function () { return 1; }
],[ ],[AC_MSG_RESULT(ok)],[AC_MSG_RESULT(short)
AC_DEFINE([NEED_SHORT_EXTERNAL_NAMES],)])
dnl --------------------------------------------------------------------
AC_MSG_CHECKING([to see if char is signed])
AC_TRY_RUN([
#ifdef HAVE_PROTOTYPES
int is_char_signed (int arg)
#else
int is_char_signed (arg)
     int arg;
#endif
{
  if (arg == 189) {		/* expected result for unsigned char */
    return 0;			/* type char is unsigned */
  }
  else if (arg != -67) {	/* expected result for signed char */
    printf("Hmm, it seems 'char' is not eight bits wide on your machine.\n");
    printf("I fear the JPEG software will not work at all.\n\n");
  }
  return 1;			/* assume char is signed otherwise */
}
char signed_char_check = (char) (-67);
main() {
  exit(is_char_signed((int) signed_char_check));
}],[AC_MSG_RESULT(no)
AC_DEFINE([CHAR_IS_UNSIGNED],)],[AC_MSG_RESULT(yes)],
[echo Assuming that char is signed on target machine.
echo If it is unsigned, this will be a little bit inefficient.
])
dnl --------------------------------------------------------------------
AC_MSG_CHECKING([to see if right shift is signed])
AC_TRY_RUN([
#ifdef HAVE_PROTOTYPES
int is_shifting_signed (long arg)
#else
int is_shifting_signed (arg)
     long arg;
#endif
/* See whether right-shift on a long is signed or not. */
{
  long res = arg >> 4;

  if (res == -0x7F7E80CL) {	/* expected result for signed shift */
    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) {	/* expected result now? */
    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 */
}
main() {
  exit(is_shifting_signed(-0x7F7E80B1L));
}],[AC_MSG_RESULT(no)
AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED],)],[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT([Assuming that right shift is signed on target machine.])])
dnl --------------------------------------------------------------------
AC_MSG_CHECKING([to see if fopen accepts b spec])
AC_TRY_RUN([
#include <stdio.h>
main() {
  if (fopen("conftestdata", "wb") != NULL)
    exit(0);
  exit(1);
}],[AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)
AC_DEFINE([DONT_USE_B_MODE],)],[AC_MSG_RESULT([Assuming that it does.])])
dnl --------------------------------------------------------------------
AC_PROG_INSTALL
AC_PROG_RANLIB
dnl --------------------------------------------------------------------

AC_CANONICAL_HOST
AC_EXEEXT

# Decide whether to use libtool,
# and if so whether to build shared, static, or both flavors of library.
AC_DISABLE_SHARED
AC_DISABLE_STATIC
if test "x$enable_shared" != xno  -o  "x$enable_static" != xno; then
  USELIBTOOL="yes"
# LIBTOOL="./libtool"
  O="lo"
  A="la"
  LN='$(LIBTOOL) --mode=link $(CC)'
  INSTALL_LIB='$(LIBTOOL) --mode=install ${INSTALL}'
  INSTALL_PROGRAM="\$(LIBTOOL) --mode=install $INSTALL_PROGRAM"
  UNINSTALL='$(LIBTOOL) --mode=uninstall $(RM)'
else
  USELIBTOOL="no"
  LIBTOOL=""
  O="o"
  A="a"
  LN='$(CC)'
  INSTALL_LIB="$INSTALL_DATA"
  UNINSTALL='$(RM)'
fi
AC_SUBST([LIBTOOL])
AC_SUBST([O])
AC_SUBST([A])
AC_SUBST([LN])
AC_SUBST([INSTALL_LIB])
AC_SUBST([UNINSTALL])

# Configure libtool if needed.
if test $USELIBTOOL = yes; then
  AC_LIBTOOL_DLOPEN
  AC_LIBTOOL_WIN32_DLL
  AC_PROG_LIBTOOL
fi
# if libtool >= 1.5
TAGCC=ifdef([AC_LIBTOOL_GCJ],[--tag=CC])
AC_SUBST([TAGCC])

dnl --------------------------------------------------------------------
# Select memory manager depending on user input.
# If no "-enable-maxmem", use jmemnobs
MEMORYMGR='jmemnobs.$(O)'
MAXMEM="no"
AC_ARG_ENABLE([maxmem],
[  --enable-maxmem[=N]     enable use of temp files, set max mem usage to N MB],
[MAXMEM="$enableval"])
# support --with-maxmem for backwards compatibility with IJG V5.
AC_ARG_WITH([maxmem],,[MAXMEM="$withval"])
if test "x$MAXMEM" = xyes; then
  MAXMEM=1
fi
if test "x$MAXMEM" != xno; then
  if test -n "`echo $MAXMEM | sed 's/[[0-9]]//g'`"; then
    AC_MSG_ERROR([non-numeric argument to --enable-maxmem])
  fi
  DEFAULTMAXMEM=`expr $MAXMEM \* 1048576`
AC_DEFINE_UNQUOTED([DEFAULT_MAX_MEM],[${DEFAULTMAXMEM}])
AC_MSG_CHECKING([for 'tmpfile()'])
AC_TRY_LINK([#include <stdio.h>],[ FILE * tfile = tmpfile(); ],
[AC_MSG_RESULT(yes)
MEMORYMGR='jmemansi.$(O)'],
[AC_MSG_RESULT(no)
MEMORYMGR='jmemname.$(O)'
AC_DEFINE([NEED_SIGNAL_CATCHER],)
AC_MSG_CHECKING([for 'mktemp()'])
AC_TRY_LINK(,[ char fname[80]; mktemp(fname); ],
[AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)
AC_DEFINE([NO_MKTEMP],)])])
fi
AC_SUBST([MEMORYMGR])

dnl ====================================================================

AC_MSG_CHECKING([to see if the host cpu type is i386 or compatible])
case "$host_cpu" in
  i*86 | x86 | ia32)
    AC_MSG_RESULT(yes)
  ;;
  x86_64 | amd64 | aa64)
    AC_MSG_RESULT([no (x86_64)])
    AC_MSG_ERROR([Currently, this version of JPEG library cannot be compiled as 64-bit code. sorry.])
  ;;
  *)
    AC_MSG_RESULT([no ("$host_cpu")])
    AC_MSG_ERROR([This version of JPEG library is for i386 or compatible processors only.])
  ;;
esac

if test -z "$NAFLAGS" ; then
  AC_MSG_CHECKING([for object file format of host system])
  case "$host_os" in
    cygwin* | mingw* | pw32* | interix*)
      objfmt='Win32-COFF'
    ;;
    msdosdjgpp* | go32*)
      objfmt='COFF'
    ;;
    os2-emx*)			# not tested
      objfmt='MSOMF'		# obj
    ;;
    linux*coff* | linux*oldld*)
      objfmt='COFF'		# ???
    ;;
    linux*aout*)
      objfmt='a.out'
    ;;
    linux*)
      objfmt='ELF'
    ;;
    freebsd* | netbsd* | openbsd*)
      if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
        objfmt='BSD-a.out'
      else
        objfmt='ELF'
      fi
    ;;
    solaris* | sunos* | sysv* | sco*)
      objfmt='ELF'
    ;;
    darwin* | rhapsody* | nextstep* | openstep* | macos*)
      objfmt='Mach-O'
    ;;
    *)
      objfmt='ELF ?'
    ;;
  esac
  AC_MSG_RESULT([$objfmt])
  if test "$objfmt" = 'ELF ?'; then
    objfmt='ELF'
    AC_MSG_WARN([unexpected host system. assumed that the format is $objfmt.])
  fi
else
  objfmt=''
fi
AC_MSG_CHECKING([for object file format specifier (NAFLAGS) ])
case "$objfmt" in
  MSOMF)      NAFLAGS='-fobj -DOBJ32';;
  Win32-COFF) NAFLAGS='-fwin32 -DWIN32';;
  COFF)       NAFLAGS='-fcoff -DCOFF';;
  a.out)      NAFLAGS='-faout -DAOUT';;
  BSD-a.out)  NAFLAGS='-faoutb -DAOUT';;
  ELF)        NAFLAGS='-felf -DELF';;
  RDF)        NAFLAGS='-frdf -DRDF';;
  Mach-O)     NAFLAGS='-fmacho -DMACHO';;
esac
AC_MSG_RESULT([$NAFLAGS])
AC_SUBST([NAFLAGS])

dnl --------------------------------------------------------------------

AC_CHECK_PROGS(NASM, [nasm nasmw])
test -z "$NASM" && AC_MSG_ERROR([no nasm (Netwide Assembler) found in \$PATH])
if echo "$NASM" | grep yasm > /dev/null; then
  AC_MSG_WARN([DON'T USE YASM! CURRENT VERSION (R0.4.0) IS BUGGY!])
fi

AC_MSG_CHECKING([whether the assembler ($NASM $NAFLAGS) works])
cat > conftest.asm <<EOF
[%line __oline__ "configure"
        section .text
        bits    32
        global  _main,main
_main:
main:   xor     eax,eax
        ret
]EOF
try_nasm='$NASM $NAFLAGS -o conftest.o conftest.asm'
if AC_TRY_EVAL(try_nasm) && test -s conftest.o; then
  AC_MSG_RESULT(yes)
else
  echo "configure: failed program was:" >&AC_FD_CC
  cat conftest.asm >&AC_FD_CC
  rm -rf conftest*
  AC_MSG_RESULT(no)
  AC_MSG_ERROR([installation or configuration problem: assembler cannot create object files.])
fi
AC_MSG_CHECKING([whether the linker accepts assembler output])
try_nasm='${CC-cc} -o conftest${ac_exeext} $LDFLAGS conftest.o $LIBS 1>&AC_FD_CC'
if AC_TRY_EVAL(try_nasm) && test -s conftest${ac_exeext}; then
  rm -rf conftest*
  AC_MSG_RESULT(yes)
else
  rm -rf conftest*
  AC_MSG_RESULT(no)
  AC_MSG_ERROR([configuration problem: maybe object file format mismatch.])
fi

AC_MSG_CHECKING([whether the assembler supports line continuation character])
cat > conftest.asm <<\EOF
[%line __oline__ "configure"
; The line continuation character '\'
; was introduced in nasm 0.98.25.
        section .text
        bits    32
        global  _zero
_zero:  xor     \
                eax,eax
        ret
]EOF
try_nasm='$NASM $NAFLAGS -o conftest.o conftest.asm'
if AC_TRY_EVAL(try_nasm) && test -s conftest.o; then
  rm -rf conftest*
  AC_MSG_RESULT(yes)
else
  echo "configure: failed program was:" >&AC_FD_CC
  cat conftest.asm >&AC_FD_CC
  rm -rf conftest*
  AC_MSG_RESULT(no)
  AC_MSG_ERROR([you have to use a more recent version of the assembler.])
fi

dnl --------------------------------------------------------------------

AC_MSG_CHECKING([SIMD instruction sets requested to use])
simd_to_use=""

AC_ARG_ENABLE(mmx,
[  --disable-mmx           do not use MMX instruction set],
[if test "x$enableval" = xno; then
  AC_DEFINE([JSIMD_MMX_NOT_SUPPORTED],)
else
  simd_to_use="$simd_to_use MMX"
fi], [simd_to_use="$simd_to_use MMX"])

AC_ARG_ENABLE(3dnow,
[  --disable-3dnow         do not use 3DNow! instruction set],
[if test "x$enableval" = xno; then
  AC_DEFINE([JSIMD_3DNOW_NOT_SUPPORTED],)
else
  simd_to_use="$simd_to_use 3DNow!"
fi], [simd_to_use="$simd_to_use 3DNow!"])

AC_ARG_ENABLE(sse,
[  --disable-sse           do not use SSE instruction set],
[if test "x$enableval" = xno; then
  AC_DEFINE([JSIMD_SSE_NOT_SUPPORTED],)
else
  simd_to_use="$simd_to_use SSE"
fi], [simd_to_use="$simd_to_use SSE"])

AC_ARG_ENABLE(sse2,
[  --disable-sse2          do not use SSE2 instruction set],
[if test "x$enableval" = xno; then
  AC_DEFINE([JSIMD_SSE2_NOT_SUPPORTED],)
else
  simd_to_use="$simd_to_use SSE2"
fi], [simd_to_use="$simd_to_use SSE2"])

test -z "$simd_to_use" && simd_to_use="NONE"
AC_MSG_RESULT([$simd_to_use])

for simd_name in $simd_to_use; do
case "$simd_name" in
  MMX)    simd_instruction='psubw mm0,mm0';;
  3DNow!) simd_instruction='pfsub mm0,mm0';;
  SSE)    simd_instruction='subps xmm0,xmm0';;
  SSE2)   simd_instruction='subpd xmm0,xmm0';;
  *)      continue;;
esac
AC_MSG_CHECKING([whether the assembler supports $simd_name instructions])
cat > conftest.asm <<EOF
[%line __oline__ "configure"
        section .text
        bits    32
        global  _simd
_simd:  $simd_instruction
        ret
]EOF
try_nasm='$NASM $NAFLAGS -o conftest.o conftest.asm'
if AC_TRY_EVAL(try_nasm) && test -s conftest.o; then
  rm -rf conftest*
  AC_MSG_RESULT(yes)
else
  echo "configure: failed program was:" >&AC_FD_CC
  cat conftest.asm >&AC_FD_CC
  rm -rf conftest*
  AC_MSG_RESULT(no)
  AC_MSG_ERROR([you have to use a more recent version of the assembler.])
fi
done

dnl --------------------------------------------------------------------
# Select OS-dependent SIMD instruction support checker.
# jsimdw32.$(O) (Win32) / jsimddjg.$(O) (DJGPP V.2) / jsimdgcc.$(O) (Unix/gcc)
if test "x$SIMDCHECKER" = x ; then
  case "$host_os" in
    cygwin* | mingw* | pw32* | interix*)
      SIMDCHECKER='jsimdw32.$(O)'
    ;;
    msdosdjgpp* | go32*)
      SIMDCHECKER='jsimddjg.$(O)'
    ;;
    os2-emx*)			# not tested
      SIMDCHECKER='jsimdgcc.$(O)'
    ;;
    *)
      SIMDCHECKER='jsimdgcc.$(O)'
    ;;
  esac
fi
AC_SUBST([SIMDCHECKER])

case "$host_os" in
  cygwin* | mingw* | pw32* | os2-emx* | msdosdjgpp* | go32*)
    AC_DEFINE([USE_SETMODE],)
  ;;
# _host_name_*)
#   AC_DEFINE([USE_FDOPEN],)
# ;;
esac

# This is for UNIX-like environments on Windows platform.
AC_ARG_ENABLE(uchar-boolean,
[  --enable-uchar-boolean  define type \"boolean\" as unsigned char (for Windows)],
[if test "x$enableval" != xno; then
  AC_DEFINE([TYPEDEF_UCHAR_BOOLEAN],)
fi])

dnl --------------------------------------------------------------------

JPEG_LIB_VERSION="63:0:1"
confv_dirs="$srcdir $srcdir/.. $srcdir/../.."
config_ver=
for ac_dir in $confv_dirs; do
  if test -r $ac_dir/config.ver; then
    config_ver=$ac_dir/config.ver
    break
  fi
done
if test -z "$config_ver"; then
  AC_MSG_WARN([cannot find config.ver in $confv_dirs])
  AC_MSG_WARN([default version number $JPEG_LIB_VERSION is used])
  AC_MSG_CHECKING([libjpeg version number for libtool])
  AC_MSG_RESULT([$JPEG_LIB_VERSION])
else
  AC_MSG_CHECKING([libjpeg version number for libtool])
  . $config_ver
  AC_MSG_RESULT([$JPEG_LIB_VERSION])
  echo "configure: if you want to change the version number, modify $config_ver" 1>&2
fi
AC_SUBST([JPEG_LIB_VERSION])

dnl --------------------------------------------------------------------
# Prepare to massage makefile.cfg correctly.
if test $ijg_cv_have_prototypes = yes; then
  A2K_DEPS=""
  COM_A2K="# "
else
  A2K_DEPS="ansi2knr"
  COM_A2K=""
fi
AC_SUBST([A2K_DEPS])
AC_SUBST([COM_A2K])
# ansi2knr needs -DBSD if string.h is missing
if test $ac_cv_header_string_h = no; then
  ANSI2KNRFLAGS="-DBSD"
else
  ANSI2KNRFLAGS=""
fi
AC_SUBST([ANSI2KNRFLAGS])
# Substitutions to enable or disable libtool-related stuff
if test $USELIBTOOL = yes -a $ijg_cv_have_prototypes = yes; then
  COM_LT=""
else
  COM_LT="# "
fi
AC_SUBST([COM_LT])
if test "x$enable_shared" != xno; then
  FORCE_INSTALL_LIB="install-lib"
  UNINSTALL_LIB="uninstall-lib"
else
  FORCE_INSTALL_LIB=""
  UNINSTALL_LIB=""
fi
AC_SUBST([FORCE_INSTALL_LIB])
AC_SUBST([UNINSTALL_LIB])
# Set up -I directives
if test "x$srcdir" = x.; then
  INCLUDEFLAGS='-I$(srcdir)'
else
  INCLUDEFLAGS='-I. -I$(srcdir)'
fi
AC_SUBST([INCLUDEFLAGS])
dnl --------------------------------------------------------------------
AC_OUTPUT([Makefile:makefile.cfg])
kc3-lang/libjpeg-turbo/configure.in

Commit

configure.in
