Builds of gnupg-2.0.17 on GNU/Linux IA-64 (Red Hat 5.6) with
several compilers produce 1 to 3 test failures each,
perhaps due to an architecture-related bug in the code.

Here is a summary:
env LDFLAGS='-Wl,-rpath,/usr/local/lib -L/usr/local/lib' ./configure && make
all check
FAIL: genkey1024.test
FAIL: conventional.test
2 of 28 tests failed

env CC=gcc-4.1 LDFLAGS='-Wl,-rpath,/usr/local/lib -L/usr/local/lib' ./configure
&& make all check
FAIL: genkey1024.test
3DES FAIL: conventional-mdc.test
2 of 28 tests failed

env CC=gcc-4.2 LDFLAGS='-Wl,-rpath,/usr/local/lib -L/usr/local/lib' ./configure
&& make all check
FAIL: genkey1024.test
1 of 28 tests failed

env CC=gcc-4.3 LDFLAGS='-Wl,-rpath,/usr/local/lib -L/usr/local/lib' ./configure
&& make all check
FAIL: genkey1024.test
FAIL: conventional.test
3DES FAIL: conventional-mdc.test
3 of 28 tests failed

env CC=gcc-4.4 LDFLAGS='-Wl,-rpath,/usr/local/lib -L/usr/local/lib' ./configure
&& make all check
FAIL: conventional.test
3DES FAIL: conventional-mdc.test
2 of 28 tests failed

env CC=gcc-4.5 LDFLAGS='-Wl,-rpath,/usr/local/lib -L/usr/local/lib' ./configure
&& make all check
FAIL: genkey1024.test
3DES FAIL: conventional-mdc.test
2 of 28 tests failed

env CC=gcc-4.6 LDFLAGS='-Wl,-rpath,/usr/local/lib -L/usr/local/lib' ./configure
&& make all check
3DES FAIL: conventional-mdc.test
1 of 28 tests failed