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Diffstat (limited to 'bdb/dist/aclocal_java/ac_jni_include_dirs.ac')
| -rw-r--r-- | bdb/dist/aclocal_java/ac_jni_include_dirs.ac | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/bdb/dist/aclocal_java/ac_jni_include_dirs.ac b/bdb/dist/aclocal_java/ac_jni_include_dirs.ac new file mode 100644 index 00000000000..65cfbbfd13e --- /dev/null +++ b/bdb/dist/aclocal_java/ac_jni_include_dirs.ac @@ -0,0 +1,112 @@ +dnl @synopsis AC_JNI_INCLUDE_DIR +dnl +dnl AC_JNI_INCLUDE_DIR finds include directories needed +dnl for compiling programs using the JNI interface. +dnl +dnl JNI include directories are usually in the java distribution +dnl This is deduced from the value of JAVAC. When this macro +dnl completes, a list of directories is left in the variable +dnl JNI_INCLUDE_DIRS. +dnl +dnl Example usage follows: +dnl +dnl AC_JNI_INCLUDE_DIR +dnl +dnl for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS +dnl do +dnl CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR" +dnl done +dnl +dnl If you want to force a specific compiler: +dnl +dnl - at the configure.in level, set JAVAC=yourcompiler before calling +dnl AC_JNI_INCLUDE_DIR +dnl +dnl - at the configure level, setenv JAVAC +dnl +dnl Note: This macro can work with the autoconf M4 macros for Java programs. +dnl This particular macro is not part of the original set of macros. +dnl +dnl @author Don Anderson <dda@sleepycat.com> +dnl @version $Id: ac_jni_include_dirs.ac,v 1.8 2002/09/04 21:27:30 dda Exp $ +dnl +AC_DEFUN(AC_JNI_INCLUDE_DIR,[ + +JNI_INCLUDE_DIRS="" + +test "x$JAVAC" = x && AC_MSG_ERROR(['$JAVAC' undefined]) +AC_PATH_PROG(_ACJNI_JAVAC, $JAVAC, $JAVAC) +test ! -x "$_ACJNI_JAVAC" && AC_MSG_ERROR([$JAVAC could not be found in path]) +AC_MSG_CHECKING(absolute path of $JAVAC) +case "$_ACJNI_JAVAC" in +/*) AC_MSG_RESULT($_ACJNI_JAVAC);; +*) AC_MSG_ERROR([$_ACJNI_JAVAC is not an absolute path name]);; +esac + +_ACJNI_FOLLOW_SYMLINKS("$_ACJNI_JAVAC") +_JTOPDIR=`echo "$_ACJNI_FOLLOWED" | sed -e 's://*:/:g' -e 's:/[[^/]]*$::'` +case "$host_os" in + darwin*) _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` + _JINC="$_JTOPDIR/Headers";; + *) _JINC="$_JTOPDIR/include";; +esac + +# If we find jni.h in /usr/include, then it's not a java-only tree, so +# don't add /usr/include or subdirectories to the list of includes. +# An extra -I/usr/include can foul things up with newer gcc's. +if test -f "$_JINC/jni.h"; then + if test "$_JINC" != "/usr/include"; then + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JINC" + fi +else + _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` + if test -f "$_JTOPDIR/include/jni.h"; then + if test "$_JTOPDIR" != "/usr"; then + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include" + fi + else + AC_MSG_ERROR([cannot find java include files]) + fi +fi + +# get the likely subdirectories for system specific java includes +if test "$_JTOPDIR" != "/usr"; then + case "$host_os" in + aix*) _JNI_INC_SUBDIRS="aix";; + bsdi*) _JNI_INC_SUBDIRS="bsdos";; + linux*) _JNI_INC_SUBDIRS="linux genunix";; + osf*) _JNI_INC_SUBDIRS="alpha";; + solaris*) _JNI_INC_SUBDIRS="solaris";; + *) _JNI_INC_SUBDIRS="genunix";; + esac +fi + +# add any subdirectories that are present +for _JINCSUBDIR in $_JNI_INC_SUBDIRS +do + if test -d "$_JTOPDIR/include/$_JINCSUBDIR"; then + JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $_JTOPDIR/include/$_JINCSUBDIR" + fi +done +]) + +# _ACJNI_FOLLOW_SYMLINKS <path> +# Follows symbolic links on <path>, +# finally setting variable _ACJNI_FOLLOWED +# -------------------- +AC_DEFUN(_ACJNI_FOLLOW_SYMLINKS,[ +# find the include directory relative to the javac executable +_cur="$1" +while ls -ld "$_cur" 2>/dev/null | grep " -> " >/dev/null; do + AC_MSG_CHECKING(symlink for $_cur) + _slink=`ls -ld "$_cur" | sed 's/.* -> //'` + case "$_slink" in + /*) _cur="$_slink";; + # 'X' avoids triggering unwanted echo options. + *) _cur=`echo "X$_cur" | sed -e 's/^X//' -e 's:[[^/]]*$::'`"$_slink";; + esac + AC_MSG_RESULT($_cur) +done +_ACJNI_FOLLOWED="$_cur" +])# _ACJNI + |