File: configure.in

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puf 1.0.0-7
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dnl Process this file with autoconf to produce a configure script.

AC_INIT(Makefile.am)
AM_INIT_AUTOMAKE(puf,1.0.0)
AM_CONFIG_HEADER(config.h)

AM_MAINTAINER_MODE

AC_DEFUN([OB_ARG_ENABLE], [
    AC_MSG_CHECKING([$3])
    AC_ARG_ENABLE($1, [$4], [ob_cv_enable_$1=$enable_$1],
	[AC_CACHE_VAL(ob_cv_enable_$1, [ob_cv_enable_$1=$2])])
    if test "$ob_cv_enable_$1" = yes; then
	AC_MSG_RESULT([yes])
	$5
    else
	AC_MSG_RESULT([no])
	$6
    fi])

AC_DEFUN([OB_ARG_WITH], [
    AC_MSG_CHECKING([$3])
    AC_ARG_WITH($1, [$4], [ob_cv_with_$1=$with_$1],
	[AC_CACHE_VAL(ob_cv_with_$1, [ob_cv_with_$1=$2])])
    if test "$ob_cv_with_$1" != no; then
    	case $ob_cv_with_$1 in
	  yes) AC_MSG_RESULT([yes]);;
	  "") AC_MSG_RESULT([detect]);;
	  *) AC_MSG_RESULT([yes ($ob_cv_with_$1)]);;
	esac
	$5
    else
	AC_MSG_RESULT([no])
	$6
    fi])

dnl Checks for programs.
AC_PROG_CC
if test "$GCC" = yes; then
    CFLAGS="$CFLAGS -W -Wall -Wshadow -Wwrite-strings -Wstrict-prototypes -Wmissing-declarations -Wsign-compare"
fi

AC_CANONICAL_HOST
case $host_os in
  *cygwin* ) AC_DEFINE(HAVE_CYGWIN, 1, [define if you're compiling on CygWin]);;
esac

dnl Checks for libraries.
AC_CHECK_LIB(xnet, inet_addr)
AC_CHECK_LIB(socket, socket)

dnl Checks for header files.

dnl Checks for typedefs, structures, and compiler characteristics.

AC_CACHE_CHECK([whether off_t can be long long], ob_cv_type_off_t_ll, [
  AC_TRY_RUN([#define _FILE_OFFSET_BITS 64
#include <sys/types.h>
#include <stdlib.h>
int main()
{
  if (sizeof(long long) == sizeof(long))
    exit(1);
  if (sizeof(off_t) != sizeof(long long))
    exit(1);
  exit(0);
}], ob_cv_type_off_t_ll=yes, ob_cv_type_off_t_ll=no)])
if test $ob_cv_type_off_t_ll = yes; then
  AC_CACHE_CHECK([whether \"%lli\" works], ob_cv_func_printf_ok, [
    AC_TRY_RUN([#include <stdio.h>
int main()
{
  char ts[20];
  sprintf(ts, "%lli", 1234567890123LL);
  exit(strcmp(ts, "1234567890123"));
}], ob_cv_func_printf_ok=yes, ob_cv_func_printf_ok=no)])
  if test $ob_cv_func_printf_ok = yes; then
    AC_DEFINE(USE_LL, 1, [Defined if long long should be used for file offsets])
  else
    AC_MSG_WARN([your c library fails to format long long int correctly.
64 bit file offsets were disabled.])
  fi
fi

dnl Checks for library functions.
AC_CHECK_FUNC(snprintf, [], [AC_MSG_ERROR([You need a c library with snprintf])])
AC_CHECK_FUNCS(strdup)

OB_ARG_ENABLE(debug, no, [whether to compile with debug info],
    AS_HELP_STRING([--enable-debug], [put debug info in the binary [no]]),
    [CFLAGS="$CFLAGS -g3 -O0"])

OB_ARG_ENABLE(static, no, [whether to build a static binary],
    AS_HELP_STRING([--enable-static], [build a static binary [no]]),
    [LDFLAGS="$LDFLAGS -static"])

AC_OUTPUT(Makefile src/Makefile puf.spec)