configure.in

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# Source of configuration for C++ interface of QDBM



#================================================================
# Generic Settings
#================================================================


# Targets
AC_INIT(qdbm-plus, 1.0.0)

# Command search path
MYPATH="/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin:/usr/ccs/bin:/usr/ucb:$PATH"

# Export variables
TARGETS="all"
LD="ld"
AR="ar"



#================================================================
# Options
#================================================================


# Debug mode
AC_ARG_ENABLE(debug, [  --enable-debug          build for debugging])
if test "$enable_debug" = "yes"
then
  TARGETS="debug"
fi

# Developping mode
AC_ARG_ENABLE(devel, [  --enable-devel          build for development])
if test "$enable_devel" = "yes"
then
  TARGETS="devel"
fi



#================================================================
# Checking Commands to build
#================================================================


# C compiler
AC_PROG_CC

# C++ compiler
AC_PROG_CXX
if test "$GXX" != "yes"
then
  printf '#================================================================\n' 1>&2
  printf '# WARNING: g++ (GCC) is required to build this package.\n' 1>&2
  printf '#================================================================\n' 1>&2
fi

# Linker
printf 'checking for ld... '
if PATH="$MYPATH" which ld > /dev/null 2>&1
then
  LD=`PATH="$MYPATH" which ld`
  printf '%s\n' "$LD" 
else
  printf 'no\n'
  printf '#================================================================\n' 1>&2
  printf '# WARNING: ld is not found in PATH.\n' 1>&2
  printf '#================================================================\n' 1>&2
fi

# Archiver
printf 'checking for ar... '
if PATH="$MYPATH" which ar > /dev/null 2>&1
then
  AR=`PATH="$MYPATH" which ar`
  printf '%s\n' "$AR" 
else
  printf 'no\n'
  printf '#================================================================\n' 1>&2
  printf '# WARNING: ar is not found in PATH.\n' 1>&2
  printf '#================================================================\n' 1>&2
fi



#================================================================
# Checking Libraries
#================================================================


# Checking underlying libraries
AC_CHECK_LIB(c, main)
AC_CHECK_LIB(c_r, main)
AC_CHECK_LIB(rt, main)
AC_CHECK_LIB(pthread, main)
AC_CHECK_LIB(z, main)

# Checking the fundamental QDBM libraries
AC_CHECK_LIB(qdbm, main, true,
  printf 'checking whether /usr/local/lib/libqdbm.* is... '
  if ls /usr/local/lib/libqdbm.* > /dev/null 2>&1
  then
    printf 'yes\n'
  else
    printf 'no\n'
    printf '#================================================================\n' 1>&2
    printf '# WARNING: Install QDBM libraries before installation.\n' 1>&2
    printf '#================================================================\n' 1>&2
  fi
)

# Duplication of QDBM for C++
AC_CHECK_LIB(xqdbm, main,
  printf '#================================================================\n' 1>&2
  printf '# WARNING: Uninstall old libraries before installation.\n' 1>&2
  printf '#================================================================\n' 1>&2
)



#================================================================
# Generic Settings
#================================================================


# Export variables
AC_SUBST(TARGETS)
AC_SUBST(LD)
AC_SUBST(AR)

# Targets
AC_OUTPUT(Makefile)



# END OF FILE