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Merge #9340: [0.13] Update secp256k1 subtree
64dfdde Squashed 'src/secp256k1/' changes from 6c527ec..8225239 (MarcoFalke)
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# =========================================================================== | ||
# http://www.gnu.org/software/autoconf-archive/ax_jni_include_dir.html | ||
# =========================================================================== | ||
# | ||
# SYNOPSIS | ||
# | ||
# AX_JNI_INCLUDE_DIR | ||
# | ||
# DESCRIPTION | ||
# | ||
# AX_JNI_INCLUDE_DIR finds include directories needed for compiling | ||
# programs using the JNI interface. | ||
# | ||
# JNI include directories are usually in the Java distribution. This is | ||
# deduced from the value of $JAVA_HOME, $JAVAC, or the path to "javac", in | ||
# that order. When this macro completes, a list of directories is left in | ||
# the variable JNI_INCLUDE_DIRS. | ||
# | ||
# Example usage follows: | ||
# | ||
# AX_JNI_INCLUDE_DIR | ||
# | ||
# for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS | ||
# do | ||
# CPPFLAGS="$CPPFLAGS -I$JNI_INCLUDE_DIR" | ||
# done | ||
# | ||
# If you want to force a specific compiler: | ||
# | ||
# - at the configure.in level, set JAVAC=yourcompiler before calling | ||
# AX_JNI_INCLUDE_DIR | ||
# | ||
# - at the configure level, setenv JAVAC | ||
# | ||
# Note: This macro can work with the autoconf M4 macros for Java programs. | ||
# This particular macro is not part of the original set of macros. | ||
# | ||
# LICENSE | ||
# | ||
# Copyright (c) 2008 Don Anderson <[email protected]> | ||
# | ||
# Copying and distribution of this file, with or without modification, are | ||
# permitted in any medium without royalty provided the copyright notice | ||
# and this notice are preserved. This file is offered as-is, without any | ||
# warranty. | ||
|
||
#serial 10 | ||
|
||
AU_ALIAS([AC_JNI_INCLUDE_DIR], [AX_JNI_INCLUDE_DIR]) | ||
AC_DEFUN([AX_JNI_INCLUDE_DIR],[ | ||
JNI_INCLUDE_DIRS="" | ||
if test "x$JAVA_HOME" != x; then | ||
_JTOPDIR="$JAVA_HOME" | ||
else | ||
if test "x$JAVAC" = x; then | ||
JAVAC=javac | ||
fi | ||
AC_PATH_PROG([_ACJNI_JAVAC], [$JAVAC], [no]) | ||
if test "x$_ACJNI_JAVAC" = xno; then | ||
AC_MSG_WARN([cannot find JDK; try setting \$JAVAC or \$JAVA_HOME]) | ||
fi | ||
_ACJNI_FOLLOW_SYMLINKS("$_ACJNI_JAVAC") | ||
_JTOPDIR=`echo "$_ACJNI_FOLLOWED" | sed -e 's://*:/:g' -e 's:/[[^/]]*$::'` | ||
fi | ||
case "$host_os" in | ||
darwin*) _JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` | ||
_JINC="$_JTOPDIR/Headers";; | ||
*) _JINC="$_JTOPDIR/include";; | ||
esac | ||
_AS_ECHO_LOG([_JTOPDIR=$_JTOPDIR]) | ||
_AS_ECHO_LOG([_JINC=$_JINC]) | ||
# On Mac OS X 10.6.4, jni.h is a symlink: | ||
# /System/Library/Frameworks/JavaVM.framework/Versions/Current/Headers/jni.h | ||
# -> ../../CurrentJDK/Headers/jni.h. | ||
AC_CACHE_CHECK(jni headers, ac_cv_jni_header_path, | ||
[ | ||
if test -f "$_JINC/jni.h"; then | ||
ac_cv_jni_header_path="$_JINC" | ||
JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $ac_cv_jni_header_path" | ||
else | ||
_JTOPDIR=`echo "$_JTOPDIR" | sed -e 's:/[[^/]]*$::'` | ||
if test -f "$_JTOPDIR/include/jni.h"; then | ||
ac_cv_jni_header_path="$_JTOPDIR/include" | ||
JNI_INCLUDE_DIRS="$JNI_INCLUDE_DIRS $ac_cv_jni_header_path" | ||
else | ||
ac_cv_jni_header_path=none | ||
fi | ||
fi | ||
]) | ||
# get the likely subdirectories for system specific java includes | ||
case "$host_os" in | ||
bsdi*) _JNI_INC_SUBDIRS="bsdos";; | ||
darwin*) _JNI_INC_SUBDIRS="darwin";; | ||
freebsd*) _JNI_INC_SUBDIRS="freebsd";; | ||
linux*) _JNI_INC_SUBDIRS="linux genunix";; | ||
osf*) _JNI_INC_SUBDIRS="alpha";; | ||
solaris*) _JNI_INC_SUBDIRS="solaris";; | ||
mingw*) _JNI_INC_SUBDIRS="win32";; | ||
cygwin*) _JNI_INC_SUBDIRS="win32";; | ||
*) _JNI_INC_SUBDIRS="genunix";; | ||
esac | ||
if test "x$ac_cv_jni_header_path" != "xnone"; then | ||
# 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 | ||
fi | ||
]) | ||
|
||
# _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 |
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