configure.in

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# Source of configuration for Java interface of QDBM



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


# Targets
AC_INIT(qdbm-java, 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"
MYJAVAHOME="/usr/java"
JVMPLATFORM="linux"
JAVAC="javac"
JAR="jar"
JAVAH="javah"
JAVADOC="javadoc"
JAVARUN="java"
MYDEFS=""
LD="ld"



#================================================================
# 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

# Enable gcj
AC_ARG_ENABLE(debug, [  --enable-gcj            build with gcj])



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


# Home directory of Java
printf 'checking MYJAVAHOME... '
if test -d "$JAVA_HOME"
then
  MYJAVAHOME="$JAVA_HOME"
fi
printf '%s\n' "$MYJAVAHOME"

# Platform of Java
printf 'checking JVMPLATFORM... '
if uname | grep Darwin > /dev/null
then
  JVMPLATFORM="mac"
else
  for file in `\ls $MYJAVAHOME/include`
  do
    if test -d "$MYJAVAHOME/include/$file"
    then
      JVMPLATFORM="$file"
    fi
  done
fi
printf '%s\n' "$JVMPLATFORM"

# Java compiler
printf 'checking JAVAC... '
JAVAC="$MYJAVAHOME/bin/javac"
if uname | grep Darwin > /dev/null
then
  if test -x "$MYJAVAHOME/Commands/javac"
  then
    JAVAC="$MYJAVAHOME/Commands/javac"
  else
    JAVAC="$MYJAVAHOME/bin/javac"
  fi
fi
if test "$enable_gcj" = "yes"
then
  JAVAC="gcj -C -Wall"
  printf 'gcj -C -Wall\n'
elif test -x "$JAVAC"
then
  printf '%s\n' "$JAVAC"
else
  printf 'no\n'
  printf '#================================================================\n' 1>&2
  printf '# WARNING: %s is not found.\n' "$JAVAC" 1>&2
  printf '#================================================================\n' 1>&2
fi

# Other building tools
if test "$enable_gcj" = "yes"
then
  JAR="jar"
  JAVAH="gcjh"
  JAVADOC="false"
  JAVARUN="gij"
elif uname | grep Darwin > /dev/null
then
  if test -x "$MYJAVAHOME/Commands/java"
  then
    JAR="$MYJAVAHOME/Commands/jar"
    JAVAH="$MYJAVAHOME/Commands/javah"
    JAVADOC="$MYJAVAHOME/Commands/javadoc"
    JAVARUN="$MYJAVAHOME/Commands/java"
  else
    JAR="$MYJAVAHOME/bin/jar"
    JAVAH="$MYJAVAHOME/bin/javah"
    JAVADOC="$MYJAVAHOME/bin/javadoc"
    JAVARUN="$MYJAVAHOME/bin/java"
  fi
else
  JAR="$MYJAVAHOME/bin/jar"
  JAVAH="$MYJAVAHOME/bin/javah"
  JAVADOC="$MYJAVAHOME/bin/javadoc"
  JAVARUN="$MYJAVAHOME/bin/java"
fi

# 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



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


# Checking underlying libraries
AC_CHECK_LIB(c, main)
AC_CHECK_LIB(c_r, 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 Java
AC_CHECK_LIB(jqdbm, main,
  printf '#================================================================\n' 1>&2
  printf '# WARNING: Uninstall old libraries before installation.\n' 1>&2
  printf '#================================================================\n' 1>&2
)



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

# Data types
if uname | grep '^SunOS' > /dev/null
then
  MYDEFS='-Dint64_t=long\ long'
elif uname | grep '^CYGWIN' > /dev/null
then
  MYDEFS='-D__int64=long\ long'
fi

# Export variables
AC_SUBST(TARGETS)
AC_SUBST(MYJAVAHOME)
AC_SUBST(JVMPLATFORM)
AC_SUBST(JAVAC)
AC_SUBST(JAR)
AC_SUBST(JAVAH)
AC_SUBST(JAVADOC)
AC_SUBST(JAVARUN)
AC_SUBST(MYDEFS)
AC_SUBST(LD)

# Targets
AC_OUTPUT(Makefile)



# END OF FILE