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Line 45... Line 45...
45 
## have_java to yes/no; if it is yes then also sets:
 45 
## have_java to yes/no; if it is yes then also sets:
46 
## JAVA to Java interpreter path
 46 
## JAVA to Java interpreter path
47 
## JAVA_HOME to the home directory of the Java runtime/jdk
 47 
## JAVA_HOME to the home directory of the Java runtime/jdk
48 
## JAVA_LD_LIBRARY_PATH to the path necessary for Java runtime
 48 
## JAVA_LD_LIBRARY_PATH to the path necessary for Java runtime
49 
## JAVA_LIBS to flags necessary to link JNI programs (*)
 49 
## JAVA_LIBS to flags necessary to link JNI programs (*)
- 
 
 50 
## JAVA_CPPFLAGS to cpp flags necessary to find Java includes (*)
- 
 
 51 
## JAVAC to Java compiler path (optional)
- 
 
 52 
## JAVAH to Java header preprocessor path (optional)
- 
 
 53 
## JAR to Java archiver (optional)
- 
 
 54 
##
- 
 
 55 
## (*) - those variables are modified for use in make files
- 
 
 56 
##       to rely on $(JAVA_HOME) and substituted with 0 suffix
50 
##
 57 
##
51 
## JAVA_HOME env var is honored during the search and the search
 58 
## JAVA_HOME env var is honored during the search and the search
52 
## will fail if it is set incorrectly.
 59 
## will fail if it is set incorrectly.
53 
AC_DEFUN([R_JAVA],
 60 
AC_DEFUN([R_JAVA],
54 
[
 61 
[
Line 57... Line 64...
57 
## find java compiler binaries
 64 
## find java compiler binaries
58 
if test -z "${JAVA_HOME}" ; then
 65 
if test -z "${JAVA_HOME}" ; then
59 
  JAVA_PATH=${PATH}
 66 
  JAVA_PATH=${PATH}
60 
else
 67 
else
61 
  ## try jre/bin first just in case we don't have full JDK
 68 
  ## try jre/bin first just in case we don't have full JDK
62 
  JAVA_PATH=${JAVA_HOME}:${JAVA_HOME}/jre/bin:${JAVA_HOME}/bin:${PATH}
 69 
  JAVA_PATH=${JAVA_HOME}:${JAVA_HOME}/jre/bin:${JAVA_HOME}/bin:${JAVA_HOME}/../bin:${PATH}
63 
fi
 70 
fi
64 
## if 'java' is not on the PATH or JAVA_HOME, add some guesses as of
 71 
## if 'java' is not on the PATH or JAVA_HOME, add some guesses as of
65 
## where java could live
 72 
## where java could live
66 
JAVA_PATH=${JAVA_PATH}:/usr/java/bin:/usr/jdk/bin:/usr/lib/java/bin:/usr/lib/jdk/bin:/usr/local/java/bin:/usr/local/jdk/bin:/usr/local/lib/java/bin:/usr/local/lib/jdk/bin
 73 
JAVA_PATH=${JAVA_PATH}:/usr/java/bin:/usr/jdk/bin:/usr/lib/java/bin:/usr/lib/jdk/bin:/usr/local/java/bin:/usr/local/jdk/bin:/usr/local/lib/java/bin:/usr/local/lib/jdk/bin
67 
AC_PATH_PROGS(JAVA,java,,${JAVA_PATH})
 74 
AC_PATH_PROGS(JAVA,java,,${JAVA_PATH})
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107 
if test ${acx_java_works} = yes; then
 114 
if test ${acx_java_works} = yes; then
108 
  AC_MSG_RESULT([yes])
 115 
  AC_MSG_RESULT([yes])
109 
 
 116 
 
110 
  AC_MSG_CHECKING([for Java environment])
 117 
  AC_MSG_CHECKING([for Java environment])
111 
 
 118 
 
112 
 
 - 
 
113 
  ## retrieve JAVA_HOME from Java itself if not set
119 
  ## find JAVA_HOME from Java itself unless specified
114 
  if test -z "${JAVA_HOME}" ; then
 120 
  if test -z "${JAVA_HOME}" ; then
115 
    R_RUN_JAVA(JAVA_HOME,[-classpath ${getsp_cp} getsp java.home])
 121 
    R_RUN_JAVA(JAVA_HOME,[-classpath ${getsp_cp} getsp java.home])
116 
  fi
 122 
  fi
117 
 
 123 
 
118 
  ## the availability of JAVA_HOME will tell us whether it's supported
 124 
  ## the availability of JAVA_HOME will tell us whether it's supported
Line 121... Line 127...
121 
      AC_MSG_RESULT([not found])
 127 
      AC_MSG_RESULT([not found])
122 
    fi
 128 
    fi
123 
  else
 129 
  else
124 
    AC_MSG_RESULT([in ${JAVA_HOME}])
 130 
    AC_MSG_RESULT([in ${JAVA_HOME}])
125 
 
 131 
 
- 
 
 132 
    : ${JAVA_LIBS=~autodetect~}
- 
 
 133 
    : ${JAVA_CPPFLAGS=~autodetect~}
- 
 
 134 
    : ${JAVA_LD_LIBRARY_PATH=~autodetect~}
- 
 
 135 
    custom_JAVA_LIBS="${JAVA_LIBS}"
- 
 
 136 
    custom_JAVA_CPPFLAGS="${JAVA_CPPFLAGS}"
- 
 
 137 
    custom_JAVA_LD_LIBRARY_PATH="${JAVA_LD_LIBRARY_PATH}"
- 
 
 138 
 
126 
    case "${host_os}" in
 139 
    case "${host_os}" in
127 
      darwin*)
 140 
      darwin*)
128 
        JAVA_LIBS="-framework JavaVM"
 141 
        JAVA_LIBS="-framework JavaVM"
129 
        JAVA_LIBS0="-framework JavaVM"
 142 
        JAVA_LIBS0="-framework JavaVM"
- 
 
 143 
	JAVA_CPPFLAGS="-I${JAVA_HOME}/include"
- 
 
 144 
	JAVA_CPPFLAGS0='-I$(JAVA_HOME)/include'
130 
        JAVA_LD_LIBRARY_PATH=
 145 
        JAVA_LD_LIBRARY_PATH=
131 
        ;;
 146 
        ;;
132 
      *)
 147 
      *)
133 
        R_RUN_JAVA(JAVA_LIBS, [-classpath ${getsp_cp} getsp -libs])
 148 
        R_RUN_JAVA(JAVA_LIBS, [-classpath ${getsp_cp} getsp -libs])
134 
        JAVA_LIBS="${JAVA_LIBS} -ljvm"
 149 
        JAVA_LIBS="${JAVA_LIBS} -ljvm"
135 
        R_RUN_JAVA(JAVA_LD_LIBRARY_PATH, [-classpath ${getsp_cp} getsp java.library.path])
 150 
        R_RUN_JAVA(JAVA_LD_LIBRARY_PATH, [-classpath ${getsp_cp} getsp java.library.path])
136 
 
 151 
 
137 
	JAVA_LIBS0=`echo ${JAVA_LIBS} | sed -e s:${JAVA_HOME}:\$\(JAVA_HOME\):g`
 152 
	JAVA_LIBS0=`echo ${JAVA_LIBS} | sed -e s:${JAVA_HOME}:\$\(JAVA_HOME\):g`
138 
	JAVA_LD_LIBRARY_PATH=`echo ${JAVA_LD_LIBRARY_PATH} | sed -e s:${JAVA_HOME}:\$\(JAVA_HOME\):g`
 153 
	JAVA_LD_LIBRARY_PATH=`echo ${JAVA_LD_LIBRARY_PATH} | sed -e s:${JAVA_HOME}:\$\(JAVA_HOME\):g`
139 
 
 154 
 
- 
 
 155 
	## includes consist of two parts - jni.h and machine-dependent jni_md.h
- 
 
 156 
	jinc=''
- 
 
 157 
	for pinc in include ../include jre/include; do
- 
 
 158 
	  if test -e "${JAVA_HOME}/${pinc}/jni.h"; then jinc="${JAVA_HOME}/${pinc}"; break; fi
- 
 
 159 
	done
140 
	## FIXME: we may want to figure out whether JAVA_HOME is a symlink
 160 
	## only if we get jni.h we can try to find jni_md.h
- 
 
 161 
	if test -n "${jinc}"; then
- 
 
 162 
	   JAVA_CPPFLAGS="-I${jinc}"
- 
 
 163 
	   mdinc=''
- 
 
 164 
	   jmdirs=''
141 
	## to any paths in JAVA_LD_LIBARARY_PATH in which case we should use
 165 
	   ## put the most probable locations for each system in the first place
- 
 
 166 
	   case "${host_os}" in
- 
 
 167 
	     linux*)   jmdirs=linux;;
- 
 
 168 
	     bsdi*)    jmdirs=bsdos;;
- 
 
 169 
	     osf*)     jmdirs=alpha;;
- 
 
 170 
	     solaris*) jmdirs=solaris;;
- 
 
 171 
	     freebsd*) jmdirs=freebsd;;
- 
 
 172 
	   esac
- 
 
 173 
	   ## prepend . and append less-likely ones
- 
 
 174 
	   jmdirs=". ${jmdirs} genunix ppc x86 iris hp-ux aix win32 cygwin openbsd"
- 
 
 175 
	   for pimd in ${jmdirs}; do
- 
 
 176 
	     if test -e "${jinc}/${pimd}/jni_md.h"; then jmdinc="${jinc}/${pimd}"; break; fi
- 
 
 177 
	   done
- 
 
 178 
	   if test -z "${jmdinc}"; then
142 
	## the symlink instead. This would solve versioning problems across
 179 
	     # ultima-ratio: use find and pray that it works
- 
 
 180 
	     jmdinc=`find "${jinc}/" -name jni_md.h 2>dev/null |head -n 1 2>/dev/null`
- 
 
 181 
	     if test -n "${jmdinc}"; then jmdinc=`dirname "${jmdinc}"`; fi
- 
 
 182 
	   fi
- 
 
 183 
	   if test -n "${jmdinc}"; then
- 
 
 184 
	     if test "${jmdinc}" != "${jinc}/."; then
- 
 
 185 
	       JAVA_CPPFLAGS="${JAVA_CPPFLAGS} -I${jmdinc}"
143 
	## Sun's JDKs.
 186 
	     fi
- 
 
 187 
	   fi
- 
 
 188 
	fi
- 
 
 189 
	JAVA_CPPFLAGS0=`echo ${JAVA_CPPFLAGS} | sed -e s:${JAVA_HOME}:\$\(JAVA_HOME\):g`
144 
        ;;
 190 
        ;;
145 
    esac
 191 
    esac
- 
 
 192 
 
- 
 
 193 
    ## honor user overrides
- 
 
 194 
    acx_java_uses_custom_flags=no
- 
 
 195 
    if test "${custom_JAVA_LIBS}" != '~autodetect~'; then
- 
 
 196 
      JAVA_LIBS="${custom_JAVA_LIBS}"
- 
 
 197 
      JAVA_LIBS0=`echo ${JAVA_LIBS} | sed -e s:${JAVA_HOME}:\$\(JAVA_HOME\):g`
- 
 
 198 
      acx_java_uses_custom_flags=yes
- 
 
 199 
    fi
- 
 
 200 
    if test "${custom_JAVA_CPPFLAGS}" != '~autodetect~'; then
- 
 
 201 
      JAVA_CPPFLAGS="${custom_JAVA_CPPFLAGS}"
- 
 
 202 
      JAVA_CPPFLAGS0=`echo ${JAVA_CPPFLAGS} | sed -e s:${JAVA_HOME}:\$\(JAVA_HOME\):g`
- 
 
 203 
      acx_java_uses_custom_flags=yes
- 
 
 204 
    fi
- 
 
 205 
    if test "${custom_JAVA_LD_LIBRARY_PATH}" != '~autodetect~'; then
- 
 
 206 
      JAVA_LD_LIBRARY_PATH="${custom_JAVA_LD_LIBRARY_PATH}"
- 
 
 207 
    fi
- 
 
 208 
 
- 
 
 209 
    ## try to link a simple JNI program
- 
 
 210 
    AC_MSG_CHECKING([whether JNI programs can be compiled])
- 
 
 211 
    j_save_LIBS="${LIBS}"
- 
 
 212 
    j_save_CPPF="${CPPFLAGS}"
- 
 
 213 
    LIBS="${JAVA_LIBS}"
- 
 
 214 
    CPPFLAGS="${JAVA_CPPFLAGS}"
- 
 
 215 
    AC_LINK_IFELSE([
- 
 
 216 
#include <jni.h>
- 
 
 217 
int main(void) {
- 
 
 218 
    JNI_CreateJavaVM(0, 0, 0);
- 
 
 219 
    return 0;
146
220 
}
- 
 
 221 
],[AC_MSG_RESULT(yes)
- 
 
 222 
    LIBS="${j_save_LIBS}"
- 
 
 223 
    CPPFLAGS="${j_save_CPPF}"
- 
 
 224 
],[
- 
 
 225 
    if test "${acx_java_uses_custom_flags}" = yes; then
- 
 
 226 
      AC_MSG_RESULT(no)
- 
 
 227 
      AC_MSG_ERROR([Failed to compile a JNI program with custom JAVA_LIBS/JAVA_CPPFLAGS.
- 
 
 228 
See config.log for details.
- 
 
 229 
Do NOT set JAVA_LIBS/JAVA_CPPFLAGS unless you are sure they are correct!
147 
    ## note that we actually don't test JAVA_LIBS - we hope that the detection
 230 
Java/JNI support is optional unless you set either JAVA_LIBS or JAVA_CPPFLAGS.])
- 
 
 231 
    fi
- 
 
 232 
    ## some OSes/Javas need -lpthread
- 
 
 233 
    LIBS="${LIBS} -lpthread"
148 
    ## was correct.
 234 
    AC_LINK_IFELSE([
- 
 
 235 
#include <jni.h>
- 
 
 236 
int main(void) {
- 
 
 237 
    JNI_CreateJavaVM(0, 0, 0);
- 
 
 238 
    return 0;
- 
 
 239 
}
- 
 
 240 
],[AC_MSG_RESULT([yes (with pthreads)])
- 
 
 241 
    JAVA_LIBS0="${JAVA_LIBS0} -lpthread"
- 
 
 242 
],[AC_MSG_RESULT(no)])
- 
 
 243 
    LIBS="${j_save_LIBS}"
- 
 
 244 
    CPPFLAGS="${j_save_CPPF}"
- 
 
 245 
])
149 
 
 246 
 
150 
    have_java=yes
 247 
    have_java=yes
151 
  fi
 248 
  fi
152 
else
 249 
else
153 
  AC_MSG_RESULT([no])
 250 
  AC_MSG_RESULT([no])
Line 160... Line 257...
160 
AC_SUBST(JAVAC)
 257 
AC_SUBST(JAVAC)
161 
AC_SUBST(JAVAH)
 258 
AC_SUBST(JAVAH)
162 
AC_SUBST(JAR)
 259 
AC_SUBST(JAR)
163 
AC_SUBST(JAVA_LD_LIBRARY_PATH)
 260 
AC_SUBST(JAVA_LD_LIBRARY_PATH)
164 
AC_SUBST(JAVA_LIBS0)
 261 
AC_SUBST(JAVA_LIBS0)
- 
 
 262 
AC_SUBST(JAVA_CPPFLAGS0)
165 
])
 263 
])