configure.in

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# Source of configuration for QDBM



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


# Targets
AC_INIT(qdbm, 1.7.14)

# 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"
MYDEFS=""
LD="ld"
AR="ar"
MYCWD=`pwd`



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


# Internal variables
enables=""

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

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

# Disable file locking
AC_ARG_ENABLE(nolock,
  AC_HELP_STRING([--enable-nolock], [build for environments without file locking]))
if test "$enable_nolock" = "yes"
then
  MYDEFS="$MYDEFS -DMYNOLOCK"
  enables="$enables (nolock)"
fi

# Disable memory mapping
AC_ARG_ENABLE(nommap,
  AC_HELP_STRING([--enable-nommap], [build for environments without memory mapping]))
if test "$enable_nommap" = "yes"
then
  MYDEFS="$MYDEFS -DMYNOMMAP"
  enables="$enables (nommap)"
fi

# Enable ZLIB compression
AC_ARG_ENABLE(zlib,
  AC_HELP_STRING([--enable-zlib], [feature ZLIB for B+ tree and inverted index]))
if test "$enable_zlib" = "yes"
then
  MYDEFS="$MYDEFS -DMYZLIB"
  enables="$enables (zlib)"
fi

# Messages
printf '#================================================================\n'
printf '# Configuring QDBM version %s%s.\n' "$PACKAGE_VERSION" "$enables"
printf '#================================================================\n'



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


# C compiler
AC_PROG_CC
if test "$GCC" != "yes"
then
  printf '#================================================================\n' 1>&2
  printf '# WARNING: 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(z, main)

# Duplication of QDBM for C
AC_CHECK_LIB(qdbm, 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(MYDEFS)
AC_SUBST(LD)
AC_SUBST(AR)
AC_SUBST(MYCWD)

# Targets
AC_OUTPUT(Makefile LTmakefile rpmspec)

# Messages
printf '#================================================================\n'
printf '# Ready to make.\n'
printf '#================================================================\n'



# END OF FILE