+++ This bug was initially created as a clone of Bug #81229 +++

PPC64 (big endian), aarch64, x86 all build fine.

PPC64le: 

make  check-TESTS
make[2]: Entering directory '/builddir/build/BUILD/pixman-0.32.6/test'
make[3]: Entering directory '/builddir/build/BUILD/pixman-0.32.6/test'
PASS: oob-test
PASS: fetch-test
PASS: a1-trap-test
PASS: region-translate-test
PASS: combiner-test
PASS: prng-test
PASS: pdf-op-test
FAIL: pixel-test
PASS: trap-crasher
PASS: region-test
PASS: infinite-loop
PASS: alpha-loop
PASS: scaling-crash-test
FAIL: thread-test
FAIL: rotate-test
FAIL: alphamap
PASS: scaling-helpers-test
PASS: matrix-test
PASS: gradient-crash-test
FAIL: composite-traps-test
FAIL: glyph-test
PASS: region-contains-test
FAIL: affine-test
FAIL: scaling-test
PASS: composite
FAIL: blitters-test
PASS: stress-test
make[4]: Entering directory '/builddir/build/BUILD/pixman-0.32.6/test'
make[4]: Nothing to be done for 'all'.
make[4]: Leaving directory '/builddir/build/BUILD/pixman-0.32.6/test'
============================================================================
Testsuite summary for pixman 0.32.6
============================================================================
# TOTAL: 27
# PASS:  18
# SKIP:  0
# XFAIL: 0
# FAIL:  9
# XPASS: 0
# ERROR: 0
============================================================================
See test/test-suite.log
Please report to pixman@lists.freedesktop.org
============================================================================