Java SDK configure detection failing

[jorrit]

On Mingw configure fails to detect the Java SDK. The following environment variables are set:

export JAVAHOME="/c/Progra~1/Java/j2sdk1.4.2_07"
export JAVA_HOME="/c/Progra~1/Java/j2sdk1.4.2_07"
export PATH=$PATH:$JAVAHOME/bin:/c/apache-ant-1.6.0/bin

Java is detected but found unsuitable for CS because jni.h could not be found. Apparently the test for java fails to add -I$JAVA_HOME/include to the compiler flags. config.log is attached.

[sunshine]

In fact, the -I$JAVA_HOME/include flag is being used. See line 1580 in config.log, so the problem is something other. I had Jorrit run the configure script with set -x/+x surrounding the code generated by the CS_JAVA_FLAGS macro from configure.ac, and the output is suspicious:

checking for javac... /c/Progra~1/Java/j2sdk1.4.2_07/bin/javac
+ test yes '!=' no
+ test -n /c/Progra~1/Java/j2sdk1.4.2_07/bin/javac
+ test -n /c/Progra~1/Java/j2sdk1.4.2_07/bin/java
+ test x = xyes
+ test -n /c/Progra~1/Java/j2sdk1.4.2_07
+ cs_java_dir=/c/Progra~1/Java/j2sdk1.4.2_07
+ test -n /c/Progra~1/Java/j2sdk1.4.2_07
++ echo x/c/Progra~1/Java/j2sdk1.4.2_07
++ tr '\\' /
++ sed 's/^x//;s/   */ /g;s/^ //;s/ $//'
+ javadir=/c/Progra~1/Java/j2sdk1.4.2_07
+ cs_java_cflags=-I"/c/Progra~1/Java/j2sdk1.4.2_07/include"
+ cs_java_platform=win32
+ test -n win32
+ cs_java_cflags=-I"/c/Progra~1/Java/j2sdk1.4.2_07/include"
		    -I"/c/Progra~1/Java/j2sdk1.4.2_07/include/win32"
+ test '' '!=' yes
+ echo 'configure:12268: checking if Java2 SDK is usable'
+ set -x
+ echo -n 'checking if Java2 SDK is usable... '
checking if Java2 SDK is usable... + test '' = set

The first questionable issue is that there are extra quotes surrounding the paths given as arguments to the -I options. These quotes later get specially escaped by the configure script and passed literally to the compiler, which results in it failing to find jni.h.

The second questionable issue is that the above output contains some trace statements (lines 9-12) which do not seem to belong to the CS_JAVA_FLAG macro. In fact, highly suspicious is the mention at line 12 of a shell variable named javadir which does not appear anywhere in configure.ac or configure. Whence does this code arise?

[jorrit]

Fixed in trunk in r27592.

[jorrit]

Fixed in 1.2 in r27594.

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