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From e..@apache.org
Subject svn commit: r1336491 - in /hadoop/common/trunk/hadoop-common-project/hadoop-common: CHANGES.txt src/main/native/acinclude.m4 src/main/native/configure.ac
Date Thu, 10 May 2012 06:16:02 GMT
Author: eli
Date: Thu May 10 06:16:01 2012
New Revision: 1336491

URL: http://svn.apache.org/viewvc?rev=1336491&view=rev
Log:
HADOOP-7868. Hadoop native fails to compile when default linker option is -Wl,--as-needed.
Contributed by Trevor Robinson

Modified:
    hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
    hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/acinclude.m4
    hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/configure.ac

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt?rev=1336491&r1=1336490&r2=1336491&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt Thu May 10 06:16:01
2012
@@ -496,6 +496,9 @@ Release 2.0.0 - UNRELEASED 
     HADOOP-8172. Configuration no longer sets all keys in a deprecated key 
     list. (Anupam Seth via bobby)
 
+    HADOOP-7868. Hadoop native fails to compile when default linker
+    option is -Wl,--as-needed. (Trevor Robinson via eli)
+
 Release 0.23.3 - UNRELEASED
 
   INCOMPATIBLE CHANGES

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/acinclude.m4
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/acinclude.m4?rev=1336491&r1=1336490&r2=1336491&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/acinclude.m4 (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/acinclude.m4 Thu
May 10 06:16:01 2012
@@ -1,4 +1,4 @@
-# AC_COMPUTE_NEEDED_DSO(LIBRARY, PREPROC_SYMBOL)
+# AC_COMPUTE_NEEDED_DSO(LIBRARY, TEST_PROGRAM, PREPROC_SYMBOL)
 # --------------------------------------------------
 # Compute the 'actual' dynamic-library used 
 # for LIBRARY and set it to PREPROC_SYMBOL
@@ -6,7 +6,7 @@ AC_DEFUN([AC_COMPUTE_NEEDED_DSO],
 [
 AC_CACHE_CHECK([Checking for the 'actual' dynamic-library for '-l$1'], ac_cv_libname_$1,
   [
-  echo 'int main(int argc, char **argv){return 0;}' > conftest.c
+  echo '$2' > conftest.c
   if test -z "`${CC} ${LDFLAGS} -o conftest conftest.c -l$1 2>&1`"; then
     dnl Try objdump and ldd in that order to get the dynamic library
     if test ! -z "`which objdump | grep -v 'no objdump'`"; then
@@ -24,5 +24,5 @@ AC_CACHE_CHECK([Checking for the 'actual
   rm -f conftest*
   ]
 )
-AC_DEFINE_UNQUOTED($2, ${ac_cv_libname_$1}, [The 'actual' dynamic-library for '-l$1'])
+AC_DEFINE_UNQUOTED($3, ${ac_cv_libname_$1}, [The 'actual' dynamic-library for '-l$1'])
 ])# AC_COMPUTE_NEEDED_DSO

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/configure.ac
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/configure.ac?rev=1336491&r1=1336490&r2=1336491&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/configure.ac (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/native/configure.ac Thu
May 10 06:16:01 2012
@@ -87,10 +87,20 @@ CPPFLAGS=$cppflags_bak
 AC_SUBST([JNI_CPPFLAGS])
 
 dnl Check for zlib headers
-AC_CHECK_HEADERS([zlib.h zconf.h], AC_COMPUTE_NEEDED_DSO(z,HADOOP_ZLIB_LIBRARY), AC_MSG_ERROR(Zlib
headers were not found... native-hadoop library needs zlib to build. Please install the requisite
zlib development package.))
+AC_CHECK_HEADERS([zlib.h zconf.h],
+  AC_COMPUTE_NEEDED_DSO(z,
+    [#include "zlib.h"
+    int main(int argc, char **argv){zlibVersion();return 0;}],
+    HADOOP_ZLIB_LIBRARY),
+  AC_MSG_ERROR(Zlib headers were not found... native-hadoop library needs zlib to build.
Please install the requisite zlib development package.))
 
 dnl Check for snappy headers
-AC_CHECK_HEADERS([snappy-c.h], AC_COMPUTE_NEEDED_DSO(snappy,HADOOP_SNAPPY_LIBRARY), AC_MSG_WARN(Snappy
headers were not found... building without snappy.))
+AC_CHECK_HEADERS([snappy-c.h],
+  AC_COMPUTE_NEEDED_DSO(snappy,
+    [#include "snappy-c.h"
+    int main(int argc, char **argv){snappy_compress(0,0,0,0);return 0;}],
+    HADOOP_SNAPPY_LIBRARY),
+  AC_MSG_WARN(Snappy headers were not found... building without snappy.))
 
 dnl Check for headers needed by the native Group resolution implementation
 AC_CHECK_HEADERS([fcntl.h stdlib.h string.h unistd.h], [], AC_MSG_ERROR(Some system headers
not found... please ensure their presence on your platform.))



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