File: configure.in

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## ---------------- ##
## Initialization.  ##
## ---------------- ##

AC_INIT(src/main.c)
AC_PREREQ(2.14a)
AC_CONFIG_AUX_DIR(auxdir)
AM_CONFIG_HEADER(config.h)

# Initialize automake
AM_INIT_AUTOMAKE(a2ps, 4.13)
# Specify the liba2ps version number
LIBVERSION=1:0:0
AC_SUBST(LIBVERSION)
GNU_PACKAGE="GNU $PACKAGE"
AC_DEFINE_UNQUOTED(GNU_PACKAGE, "$GNU_PACKAGE",
		   [The concatenation of the strings `GNU ', and PACKAGE.])
AC_SUBST(GNU_PACKAGE)

# Available translations
ALL_LINGUAS="ca cs da de es fr it ko nl no pl pt ru sl sv tr"

## --------------------- ##
## Checks for programs.  ##
## --------------------- ##

AC_PROG_AWK
AC_PROG_GNU_M4
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
jm_PATH_PERL

# Check for the C compiler and the various oddities that may exist
AC_PROG_CC
AC_AIX
AC_MINIX
AC_ISC_POSIX
AC_PROG_CPP
AM_PROG_CC_STDC
AM_C_PROTOTYPES
AC_PROG_YACC
fp_PROG_ECHO
missing_dir=`cd $ac_aux_dir && pwd`
AM_MISSING_PROG(GPERF, gperf, $missing_dir)
# I want flex, and only flex
AM_PROG_LEX
if test "$LEX" = lex; then
  LEX="$missing_dir/missing flex"
  LEX_OUTPUT_ROOT=lex.yy
  AC_SUBST(LEX_OUTPUT_ROOT)dnl
fi

# Libtool.  By default, don't do shared libs, liba2ps is not widely used.
AC_DISABLE_SHARED
AC_PROG_LIBTOOL

## ------------------------- ##
## Checks for header files.  ##
## ------------------------- ##

AC_HEADER_STDC
AC_HEADER_STAT
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_HEADER_DIRENT
AC_CHECK_HEADERS(sys/time.h sys/stat.h sys/types.h sys/ioctl.h  \
 math.h string.h strings.h stdlib.h unistd.h stdarg.h pwd.h malloc.h \
 memory.h errno.h fcntl.h stdbool.h fnmatch.h)

## --------------------- ##
## Checks for typedefs.  ##
## --------------------- ##

#
# Checks for typedefs, structures, and compiler characteristics.
#
AC_C_CONST
AC_C_INLINE
AC_CHECK_TYPE(uchar, unsigned char)
AC_TYPE_SIZE_T
AC_TYPE_PID_T
AC_TYPE_SIGNAL
AC_STRUCT_TM
AC_CHECK_MEMBERS((struct passwd.pw_gecos),,,
[#if HAVE_PWD_H
# include <pwd.h>
#endif])
jm_AC_PREREQ_XSTRTOUMAX
jm_AC_TYPE_UINTMAX_T

#
# Portability non-Unix
#
AC_EXEEXT

# Checking for sys_siglist.  Stolen from gmake-3.77
AC_DECL_SYS_SIGLIST
AC_MSG_CHECKING(for sys_siglist)
AC_CACHE_VAL(ac_cv_check_symbol_sys_siglist,
[AC_TRY_LINK(, [extern char *sys_siglist[]; puts(*sys_siglist);],
             ac_cv_check_symbol_sys_siglist=yes,
             ac_cv_check_symbol_sys_siglist=no)])
if test "$ac_cv_check_symbol_sys_siglist" = yes; then
  AC_DEFINE_UNQUOTED(HAVE_SYS_SIGLIST, 1,
                     [Define if your system has `sys_siglist'.])
fi
AC_MSG_RESULT($ac_cv_check_symbol_sys_siglist)

## ---------------------- ##
## Checks for Libraries.  ##
## ---------------------- ##

# -lsun is sometimes needed on IRIX to use passwd
AC_SEARCH_LIBS(getpwuid, sun,
	       [AC_DEFINE(HAVE_GETPWUID, 1,
                          [Define if you have the function `getpwuid'.])],)


## ------------------------------ ##
## checks for library functions.  ##
## ------------------------------ ##

AC_REPLACE_FUNCS(stpcpy stpncpy strtoul memcpy memset gethostname getuid)
ad_REPLACE_FUNC_STRCASECMP
ad_REPLACE_FUNC_STRNCASECMP
ad_REPLACE_FUNC_RENAME
AC_CHECK_FUNCS(uname strchr strerror strerror_r getcwd bcopy bzero tempnam strsignal psignal)
ad_FUNC_SYSTEMPAPERNAME
ad_FUNC_ATEXIT
ad_FUNC_STRFTIME
AC_FUNC_CLOSEDIR_VOID
AC_FUNC_VPRINTF
AM_FUNC_OBSTACK
AC_FUNC_ALLOCA
AM_FUNC_ERROR_AT_LINE
jm_FUNC_MALLOC
jm_FUNC_REALLOC
jm_PREREQ_QUOTEARG

# Check and replace broken or missing "fnmatch"
AC_FUNC_FNMATCH
if test $ac_cv_func_fnmatch_works = no; then
  LIBOBJS="$LIBOBJS fnmatch.o"
  AC_DEFINE_UNQUOTED(fnmatch, rpl_fnmatch,
	  [Define to rpl_fnmatch if the replacement function should be used.])
fi

# Needed checks for tinyterm.[ch]
ad_TINYTERM_CHECKS

AC_CHECK_DECLS((fputs, strlen))

# Internationalization.
AM_GNU_GETTEXT

# Save the cache
AC_CACHE_SAVE

# In path separator character.
AC_DEFINE_UNQUOTED(DIRECTORY_SEPARATOR, '/',
		   [The char used to separate component of a path])
# Between paths separator character.
AC_DEFINE_UNQUOTED(PATH_SEPARATOR, ':',
		   [The char used to separate paths.])
# We define SYNTAX_TABLE so that regex uses syntax tables
AC_DEFINE(SYNTAX_TABLE, 1,
	  [Define to enable syntax table support in `regex'.])

## ---------------------------- ##
## Various extentions/options.  ##
## ---------------------------- ##

# Some extra warnings
ad_GCC_WARNINGS
CFLAGS="$CFLAGS $EXTRA_CFLAGS"

# Where to put the emacs files
AM_PATH_LISPDIR

# Shall the path to the tools be hardcoded?
ad_ENABLE_PATHS

# What should get installed?
AC_ARG_ENABLE(extensions,
AC_HELP_STRING(--disable-extensions,small foot print installation),
[case "${enableval}" in
  yes|no) ;;
  *) AC_MSG_ERROR(bad value ${enableval} for --disable-extensions) ;;
esac],[enable_extensions=yes])
AM_CONDITIONAL(EXTENSIONS, test x$enable_extensions = xyes)
if test x$enable_extensions = xyes; then
  AC_CONFIG_SUBDIRS(ogonkify)
fi

AC_MSG_CHECKING(for PostScript fonts path)
# Try to find some PostScript fonts.
# Find out if ghostscript is installed
ac_psfont_path=
for ac_dir in /usr/local/ghostscript/fonts \
  /usr/local/share/ghostscript/fonts;
do
  if test "cd $ac_dir 2>/dev/null && echo *.afm"; then
    ac_psfont_path="$ac_psfont_path:$ac_dir";
  fi
done
dnl Currently, we don't try TeX fonts, because sed expressions
dnl explode.  Anyway, we really need to support kpathsea to get there.
dnl # Try to find where are the TeX fonts.
dnl for ac_dir in /usr/local/TeX /usr/local/tex /usr/local/teTeX;
dnl do
dnl   if test -d "$ac_dir/texmf/fonts/type1"; then
dnl 	# There are fonts here.  Let's fetch all the directories.
dnl 	for ac_dir2 in $ac_dir/texmf/fonts/type1/* \
dnl 		       $ac_dir/texmf/fonts/type1/*/* \
dnl 		       $ac_dir/texmf/fonts/type1/*/*/* \
dnl 		       $ac_dir/texmf/fonts/afm/* \
dnl 		       $ac_dir/texmf/fonts/afm/*/* \
dnl 		       $ac_dir/texmf/fonts/afm/*/*/* ;
dnl 	do
dnl 	  if test -d "$ac_dir2" \
dnl 	     && test -n `echo $ac_dir2/*.afm $ac_dir2/*.gsf $ac_dir2/*.pf?`; then
dnl 	    ac_psfont_path="$ac_psfont_path:$ac_dir2";
dnl 	  fi
dnl 	done
dnl   fi
dnl done
dnl # Remove the leading `:'
if test -n "$ac_psfont_path"; then
  PSFONT_PATH=`echo "$ac_psfont_path" | sed -e 's/^://'`
fi
AC_SUBST(PSFONT_PATH)
AC_MSG_RESULT([$ac_psfont_path])

## ---------------------------------------------------------- ##
## Write a first sketch of a2ps.cfg.  The user should check.  ##
## ---------------------------------------------------------- ##

#
# Check for the file program with follows the links
#
ad_PROG_FILE_LINK
AC_SUBST(FILE_LINK)

# How to send things in the printer queue
ad_PROG_LPR

#
# default medium to use (defaulted to A4)
#
AC_ARG_WITH(medium,
AC_HELP_STRING([--with-medium=medium],
               [specify the default medium (A4, Letter, Legal, etc.) [default=A4]]),
MEDIUM=$with_medium,
if test x"$ac_cv_lib_paper_systempapername" = xyes; then
  MEDIUM=libpaper
else
  MEDIUM=A4
fi)
AC_SUBST(MEDIUM)

#
# default encoding to use (defaulted to latin1)
#
AC_ARG_WITH(encoding,
AC_HELP_STRING([--with-encoding=enc],
               [specify the default encoding (ascii, latin1, latin2... latin6, hp etc.) [default=latin1]]),
ENCODING=$with_encoding,
ENCODING=latin1)
AC_SUBST(ENCODING)

########################
# Nice special printers
########################
# Look for GV or Ghostview
ad_CHECK_PROGS((gv, ghostview))
if test "$COM_gv$COM_ghostview" = "##"; then
  COM_DISPLAY="#"
fi
AC_SUBST(COM_DISPLAY)

#################################
# Helping people with delegations
#################################
# "Compressed" delegation
ad_CHECK_PROG(gzip,
[a2ps works better with gzip.
Consider fetching gzip at any ftp site proposing GNU programs])
ad_CHECK_PROGS((bzip, bzip2))

# DVI delegation
ad_CHECK_PROG(dvips)

# ImageMagick for most image formats
ad_CHECK_PROG(convert)

# PDF delegation
ad_CHECK_PROGS((acroread, pdf2ps))
COM_acroread4='#'
AC_SUBST(COM_acroread4)
# If we have acroread, is it a version which supports -shrink etc.?
if test "x$COM_acroread" = x; then
  AC_CACHE_CHECK(whether acroread is acroread 4, a2_cv_com_acroread4,
  [$acroread -helpall >conftest.help
  if fgrep -e -size   conftest.help >/dev/null &&
     fgrep -e -shrink conftest.help >/dev/null; then
     a2_cv_com_acroread4=yes
  else
     a2_cv_com_acroread4=no
  fi
  rm -f conftest.help])
  test "$a2_cv_com_acroread4" = yes && COM_acroread4=''
fi

# Outputting PDF
ad_CHECK_PROGS((distill, ps2pdf))
test "$COM_distill$COM_ps2pdf" = "##" && COM_PS2PDF="#"
AC_SUBST(COM_PS2PDF)

# PostScript delegation.  Check for psutils 1.17
a2_PSUTILS(1, 17)

# ROFF delegation
ad_CHECK_PROG(grog,
[a2ps works better with groff.
Consider fetching groff at any ftp site proposing GNU programs])

# Texinfo delegation
ad_CHECK_PROGS((makeinfo, tex, latex))
COM_TEXI="$COM_tex$COM_makeinfo$COM_dvips"
COM_LATEX="$COM_latex$COM_dvips"
AC_SUBST(COM_TEXI)
AC_SUBST(COM_LATEX)

## ---------- ##
## Epilogue.  ##
## ---------- ##

# This is necessary so that .o files in LIBOBJS are also built via
# the ANSI2KNR-filtering rules.
LIBOBJS=`echo "$LIBOBJS" | sed 's/\.o /\$U.o /g;s/\.o$/\$U.o/'`
# Autoconf 2.14a is not ready for libtool
LTLIBOBJS=`echo "$LIBOBJS" | sed 's/\.o/\.lo/g'`
AC_SUBST(LTLIBOBJS)
LTALLOCA=`echo "$ALLOCA" | sed 's/\.o/\.lo/g'`
AC_SUBST(LTALLOCA)

# Shell scripts
AC_CONFIG_FILES(contrib/card, chmod +x contrib/card)
AC_CONFIG_FILES(contrib/fixps, chmod +x contrib/fixps)
AC_CONFIG_FILES(contrib/pdiff, chmod +x contrib/pdiff)
AC_CONFIG_FILES(contrib/psmandup, chmod +x contrib/psmandup)
AC_CONFIG_FILES(contrib/psset, chmod +x contrib/psset)

AC_OUTPUT(Makefile
  src/Makefile
  doc/Makefile
  man/Makefile
  tests/Makefile tests/defs
  lib/Makefile
  auxdir/Makefile
  m4/Makefile
  etc/Makefile etc/a2ps_cfg etc/a2ps-site.cfg
  intl/Makefile po/Makefile.in
  sheets/Makefile
  encoding/Makefile
  ps/Makefile
  afm/Makefile
  contrib/Makefile
  contrib/sample/Makefile
  contrib/emacs/Makefile
  fonts/Makefile
  ppd/Makefile)

if test $MEDIUM = libpaper; then
  libpaper_msg="
*   (\`libpaper' means a2ps asks the medium to libpaper.  See man paperconf.)"
fi

cat <<EOF
*****************************************************************
* a2ps thinks it should be configured the following way:
* - you print on \`$MEDIUM' paper$libpaper_msg
* - your charset is \`$ENCODING'
* - to send a JOB to the default printer, run \`$LPR job'
* - to send a JOB to the printer PRINTER, run \`$LPR $LPR_QUEUE_OPTION PRINTER job'
* - to ask \`file(1)' to follow the links, run \`$FILE_LINK'
*   (\`file(1)' is used to guess the type of the files to print.)
*
* If a2ps is wrong somewhere, fix the \`System Dependent parameters'
* in \`etc/a2ps-site.cfg'.  See the README file.
*****************************************************************
EOF