154 lines
3.6 KiB
Plaintext
154 lines
3.6 KiB
Plaintext
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dnl Usage:
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dnl AX_CHECK_JAVA
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dnl Test for java, and defines
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dnl - JAVA_CFLAGS (compiler flags)
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dnl - LIB_JAVA (linker flags, stripping and path)
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dnl prerequisites:
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AC_DEFUN([AX_CHECK_JAVA],
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[
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AC_ARG_WITH([java],
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[AC_HELP_STRING([--with-java=PFX], [prefix where 'java' is installed.])],
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[with_java_prefix="$withval"],
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[with_java_prefix="${JAVA_INSTALL_PATH:-/usr/java/j2sdk1.4.1_01}"])
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have_java='no'
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LIB_JAVA=''
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JAVA_FLAGS=''
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JAVA_HOME=''
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if test "x$with_java" != 'xno'
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then
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AC_MSG_CHECKING([for JAVA installation at ${with_java}])
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AC_MSG_RESULT()
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dnl these two lines should let u find most java installations
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java_dirs="/usr /usr/local /usr/lib/j2sdk1.4-sun /usr/lib/jvm/java /usr/lib/jvm/default-java /System/Library/Frameworks/JavaVM.framework/Versions/Current /opt /mingw"
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java_inc_dirs="include include/libgcj Headers"
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if test "x$with_java" != 'x'
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then
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if test -d "$with_java"
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then
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JAVA_HOME="$with_java"
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for j in $java_inc_dirs
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do
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echo "configure: __oline__: checking $JAVA_HOME/$j" >&AC_FD_CC
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if test -r "$JAVA_HOME/$j/jni.h"; then
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echo "taking that" >&AC_FD_CC
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java_inc_dir="$j"
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break 2
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fi
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done
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else
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AC_MSG_WARN([Sorry, $with_java does not exist, checking usual places])
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with_java=''
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fi
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fi
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dnl now find the java dirs
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if test "x$JAVA_HOME" = 'x'
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then
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for i in $java_dirs;
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do
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for j in $java_inc_dirs
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do
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echo "configure: __oline__: checking $i/$j" >&AC_FD_CC
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if test -r "$i/$j/jni.h"; then
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echo "taking that" >&AC_FD_CC
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JAVA_HOME="$i"
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java_inc_dir="$j"
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break
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fi
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done
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done
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if test "x$JAVA_HOME" != 'x'
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then
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AC_MSG_NOTICE([java home set to $JAVA_HOME])
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else
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AC_MSG_NOTICE([cannot find the java directory, assuming it is specified in CFLAGS])
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fi
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fi
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failed=0;
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passed=0;
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JAVA_OLD_CPPFLAGS=$CPPFLAGS
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case "${host_os}" in
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linux*)
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java_extra_inc=linux
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;;
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darwin*)
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java_extra_inc=darwin
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;;
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*mingw32*)
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java_extra_inc=win32
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;;
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*cygwin*)
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java_extra_inc=win32
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;;
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esac
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dnl Check if extra inc is required
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CPPFLAGS="$CPPFLAGS -I$JAVA_HOME/$java_inc_dir"
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AC_LANG_SAVE
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AC_LANG_C
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AC_COMPILE_IFELSE([
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AC_LANG_SOURCE(
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[[#include <jni.h>]]
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)],
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passed=`expr $passed + 1`,failed=`expr $failed + 1`
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)
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AC_LANG_RESTORE
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CPPFLAGS="$JAVA_OLD_CPPFLAGS"
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JAVA_FLAGS="-I$JAVA_HOME/$java_inc_dir -DHasJava"
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if test $failed -gt 0
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then
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echo "configure: __oline__: checking if extra_inc required" >&AC_FD_CC
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failed=0;
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CPPFLAGS="$CPPFLAGS -I$JAVA_HOME/$java_inc_dir -I$JAVA_HOME/$java_inc_dir/$java_extra_inc"
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AC_LANG_SAVE
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AC_LANG_C
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AC_COMPILE_IFELSE([
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AC_LANG_SOURCE(
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[[#include <jni.h>]]
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)],
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passed=`expr $passed + 1`,failed=`expr $failed + 1`
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)
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AC_LANG_RESTORE
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CPPFLAGS="$JAVA_OLD_CPPFLAGS"
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JAVA_FLAGS="-I$JAVA_HOME/$java_inc_dir -I$JAVA_HOME/$java_inc_dir/$java_extra_inc -DHasJava"
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fi
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AC_MSG_CHECKING(if JAVA package is complete)
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if test $passed -gt 0
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then
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if test $failed -gt 0
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then
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AC_MSG_RESULT(no -- some components failed test)
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have_java='no (failed tests)'
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JAVA_FLAGS=
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else
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if test "x$JAVA_HOME" = 'x'
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then
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JAVA_FLAGS=
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else
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LIB_JAVA="-L$JAVA_HOME/lib"
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fi
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AC_DEFINE(HasJava,1,Define if you have Java)
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AC_MSG_RESULT(yes)
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have_java='yes'
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fi
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else
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JAVA_FLAGS=
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AC_MSG_RESULT(no)
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fi
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fi
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AM_CONDITIONAL(HasJava, test "x$have_java" = 'xyes')
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AC_SUBST(LIB_JAVA)
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AC_SUBST(JAVA_FLAGS)
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AC_SUBST(JAVA_HOME)
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])
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