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| author | Alex Gorrod <alexander.gorrod@mongodb.com> | 2016-03-11 16:41:05 +1100 |
|---|---|---|
| committer | Alex Gorrod <alexander.gorrod@mongodb.com> | 2016-03-11 16:41:05 +1100 |
| commit | d1a59d8d5342fcaaa194a31a60ca6c4c9c55ba43 (patch) | |
| tree | 42777b94aadf55c8f9cd66093e4dad105211fc48 | |
| parent | 3126b8768cff9801959166f4e104bcb5db72d57e (diff) | |
| parent | fcdc497ff3b96bcae41656ea42867571c193e418 (diff) | |
| download | mongo-d1a59d8d5342fcaaa194a31a60ca6c4c9c55ba43.tar.gz | |
Merge pull request #2561 from wiredtiger/wt-2459
WT-2459 - Force the CC tag under powerPC
| -rw-r--r-- | build_posix/configure.ac.in | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/build_posix/configure.ac.in b/build_posix/configure.ac.in index fc13ab2b183..3280a4e9af3 100644 --- a/build_posix/configure.ac.in +++ b/build_posix/configure.ac.in @@ -34,6 +34,22 @@ AC_PROG_CC(cc gcc) AC_PROG_CXX(c++ g++) AM_PROG_AS(as gas) +# This is a workaround as part of WT-2459. Currently, clang (v3.7) does not +# support compiling the ASM code we have to perform the CRC checks on PowerPC. +# To compile with clang we need to override the ASM compiler with CCAS to use +# gcc. Unfortunately, doing the compilation in this manner means libtool can't +# determine what tag to use for that one .S file. If we catch that we are using +# two different compilers for CC and CCAS and we are on a PowerPC system we +# overload the libtool flags to provide CC by default. +if test "$CC" != "$CCAS"; then + AS_CASE([$host_cpu], + [ppc64*], [AM_LIBTOOLFLAGS+="--tag=CC"], + [elf64lppc], [AM_LIBTOOLFLAGS+="--tag=CC"], + [powerpc*], [AM_LIBTOOLFLAGS+="--tag=CC"], + []) +fi +AC_SUBST(AM_LIBTOOLFLAGS) + if test "$GCC" = "yes"; then # The Solaris gcc compiler gets the additional -pthreads flag. if test "`uname -s`" = "SunOS"; then |