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Java API: New JDK detection routines.

Signed-off-by: Christoph M. Wintersteiger <cwinter@microsoft.com>
This commit is contained in:
Christoph M. Wintersteiger 2013-02-25 15:37:33 +00:00
parent e0c73d9bc1
commit ffb1fc37df

View file

@ -30,13 +30,12 @@ CC=getenv("CC", None)
CPPFLAGS=getenv("CPPFLAGS", "")
CXXFLAGS=getenv("CXXFLAGS", "")
LDFLAGS=getenv("LDFLAGS", "")
JAVA=getenv("JAVA", "java")
JAVAC=getenv("JAVAC", "javac")
JAVA_HOME=getenv("JAVA_HOME", None)
JDK_HOME=getenv("JDK_HOME", None)
JNI_HOME=getenv("JNI_HOME", None)
CXX_COMPILERS=['g++', 'clang++']
C_COMPILERS=['gcc', 'clang']
JAVAC=None
PYTHON_PACKAGE_DIR=distutils.sysconfig.get_python_lib()
BUILD_DIR='build'
REV_BUILD_DIR='..'
@ -207,24 +206,6 @@ def test_openmp(cc):
t.commit()
return exec_compiler_cmd([cc, CPPFLAGS, 'tstomp.cpp', LDFLAGS, '-fopenmp']) == 0
def check_java():
t = TempFile('Hello.java')
t.add('public class Hello { public static void main(String[] args) { System.out.println("Hello, World"); }}\n')
t.commit()
if is_verbose():
print("Testing %s..." % JAVAC)
r = exec_cmd([JAVAC, 'Hello.java'])
if r != 0:
raise MKException('Failed testing Java compiler. Set environment variable JAVAC with the path to the Java compiler')
if is_verbose():
print("Testing %s..." % JAVA)
r = exec_cmd([JAVA, 'Hello'])
rmf('Hello.class')
if r != 0:
raise MKException('Failed testing Java program. Set environment variable JAVA with the path to the Java virtual machine')
find_java_home()
find_jni_home()
def find_jni_h(path):
for root, dirs, files in os.walk(path):
for f in files:
@ -232,76 +213,97 @@ def find_jni_h(path):
return root
return False
def find_java_home():
global JAVA_HOME
if JAVA_HOME != None:
if IS_WINDOWS:
ind = '%s%s' % (JAVA_HOME, '\\bin\\java.exe')
else:
ind = '%s%s' % (JAVA_HOME, '/bin/java')
if not os.path.exists(ind):
raise MKException("Failed to detect java at '%s'.Possible solution: set JAVA_HOME with the path to JDK." % os.path.join(JAVA_HOME))
else:
return
if is_verbose():
print("Finding JAVA_HOME...")
t = TempFile('output')
null = open(os.devnull, 'wb')
try:
subprocess.call([JAVA, '-verbose'], stdout=t.fname, stderr=null)
t.commit()
except:
raise MKException('Failed to find JAVA_HOME')
open_pat = re.compile("\[Opened (.*)\]")
t = open('output', 'r')
for line in t:
m = open_pat.match(line)
if m:
# Remove last 3 directives from m.group(1)
tmp = m.group(1).split(os.sep)
path = string.join(tmp[:len(tmp) - 3], os.sep)
if IS_WINDOWS:
ind = '%s%s' % (path, '\\bin\\java.exe')
else:
ind = '%s%s' % (path, '/bin/java')
if os.path.exists(ind):
JAVA_HOME = path
return
if IS_OSX:
path = '%s%s' % (path, '/Contents/Home/')
ind = '%s%s' % (path, 'bin/java')
if os.path.exists(ind):
JAVA_HOME = path
return
raise MKException("Failed to detect java at '%s'.Possible solution: set JAVA_HOME with the path to JDK." % os.path.join(path))
return
raise MKException('Failed to find JAVA_HOME')
def find_jni_home():
def check_java():
global JDK_HOME
global JNI_HOME
if JNI_HOME != None:
if is_verbose():
print("Checking jni.h...")
path = JNI_HOME
fn = os.path.join(path, 'jni.h')
print("Checking for jni.h in %s..." % JNI_HOME)
if os.path.exists(fn):
return
global JAVAC
if is_verbose():
print("Finding JDK_HOME...")
if JDK_HOME != None:
if IS_WINDOWS:
JAVAC = os.path.join(JDK_HOME, 'bin', 'javac.exe')
else:
JAVAC = os.path.join(JDK_HOME, 'bin', 'javac')
if not os.path.exists(JAVAC):
raise MKException("Failed to detect javac at '%s/bin'; the environment variable JDK_HOME is probably set to the wrong path." % os.path.join(JDK_HOME))
else:
path = '%s%s' % (JAVA_HOME, '/include/')
fn = '%s%s' % (path, 'jni.h')
print("Checking for jni.h in %s..." % path)
if os.path.exists(fn):
JNI_HOME = find_jni_h(path)
elif IS_OSX:
# Apparently Apple knows best where to put stuff...
path = '/System/Library/Frameworks/JavaVM.framework/Headers/'
fn = '%s%s' % (path, 'jni.h')
print("Checking for jni.h in %s..." % path)
if os.path.exists(fn):
JNI_HOME = find_jni_h(path)
if JNI_HOME == None:
raise MKException("Failed to detect jni.h. Possible solution: set JNI_HOME with the path to JDK.")
# Search for javac in the path.
ind = 'javac';
if IS_WINDOWS:
ind = ind + '.exe'
paths = os.getenv('path', None)
spaths = paths.split(os.pathsep)
for i in range(0, len(spaths)):
cmb = os.path.join(spaths[i], ind)
if os.path.exists(cmb):
JAVAC = cmb
break
if JAVAC == None:
raise MKException('No java compiler in the path, please adjust your PATH or set JDK_HOME to the location of the JDK.')
if is_verbose():
print("Testing %s..." % JAVAC)
t = TempFile('Hello.java')
t.add('public class Hello { public static void main(String[] args) { System.out.println("Hello, World"); }}\n')
t.commit()
oo = TempFile('output')
eo = TempFile('errout')
try:
subprocess.call([JAVAC, 'Hello.java', '-verbose'], stdout=oo.fname, stderr=eo.fname)
oo.commit()
eo.commit()
except:
raise MKException('Found, but failed to run Java compiler at %s' % (JAVAC))
os.remove('Hello.class')
if is_verbose():
print("Finding jni.h...")
if JNI_HOME != None:
if not os.path.exists(path.join(JNI_HOME, 'jni.h')):
raise MKException("Failed to detect jni.h '%s'; the environment variable JNI_HOME is probably set to the wrong path." % os.path.join(JNI_HOME))
else:
# Search for jni.h in the library directories...
t = open('errout', 'r')
open_pat = re.compile("\[search path for class files: (.*)\]")
cdirs = []
for line in t:
m = open_pat.match(line)
if m:
libdirs = m.group(1).split(',')
for libdir in libdirs:
q = os.path.dirname(libdir)
if cdirs.count(q) == 0:
cdirs.append(q)
# ... plus some heuristic ones.
extra_dirs = []
# For the libraries, even the JDK usually uses a JRE that comes with it. To find the
# headers we have to go a little bit higher up.
for dir in cdirs:
extra_dirs.append(os.path.abspath(os.path.join(dir, '..')))
if IS_OSX: # Apparently Apple knows best where to put stuff...
extra_dirs.append('/System/Library/Frameworks/JavaVM.framework/Headers/')
cdirs[len(cdirs):] = extra_dirs
for dir in cdirs:
print dir
q = find_jni_h(dir)
if q != False:
JNI_HOME = q
if JNI_HOME == None:
raise MKException("Failed to detect jni.h. Possible solution: set JNI_HOME with the path to JDK.")
def is64():
return sys.maxsize >= 2**32
@ -436,9 +438,7 @@ def display_help(exit_code):
print(" LDFLAGS Linker flags, e.g., -L<lib dir> if you have libraries in a non-standard directory")
print(" CPPFLAGS Preprocessor flags, e.g., -I<include dir> if you have header files in a non-standard directory")
print(" CXXFLAGS C++ compiler flags")
print(" JAVA Java virtual machine (only relevant if -j or --java option is provided)")
print(" JAVAC Java compiler (only relevant if -j or --java option is provided)")
print(" JAVA_HOME JDK installation directory (only relevant if -j or --java option is provided)")
print(" JDK_HOME JDK installation directory (only relevant if -j or --java option is provided)")
print(" JNI_HOME JNI bindings directory (only relevant if -j or --java option is provided)")
exit(exit_code)
@ -1425,10 +1425,9 @@ def mk_config():
if is_verbose():
print('64-bit: %s' % is64())
if is_java_enabled():
print('Java Home: %s' % JAVA_HOME)
print('JDK Home: %s' % JDK_HOME)
print('JNI Home: %s' % JNI_HOME)
print('Java Compiler: %s' % JAVAC)
print('Java VM: %s' % JAVA)
else:
global CXX, CC, GMP, CPPFLAGS, CXXFLAGS, LDFLAGS
ARITH = "internal"
@ -1530,10 +1529,9 @@ def mk_config():
print('gprof: enabled')
print('Python version: %s' % distutils.sysconfig.get_python_version())
if is_java_enabled():
print('Java Home: %s' % JAVA_HOME)
print('JDK Home: %s' % JDK_HOME)
print('JNI Home: %s' % JNI_HOME)
print('Java Compiler: %s' % JAVAC)
print('Java VM: %s' % JAVA)
def mk_install(out):
out.write('install:\n')