Hi,
>From the Debian ports buildd:
https://buildd.debian.org/status/fetch.php?pkg=postgresql-9.4&arch=alpha&ver=9.4.4-1&stamp=1434132509
make[5]: Entering directory '/«PKGBUILDDIR»/build/src/backend/postmaster'
[...]
gcc -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement
-Wendif-labels -Wmissing-format-attribute -Wformat-security
-fno-strict-aliasing -fwrapv -fexcess-precision=standard -g -g -O2 -Wformat
-Werror=format-security -I/usr/include/mit-krb5 -fPIC -pie
-DLINUX_OOM_SCORE_ADJ=0 -I../../../src/include
-I/«PKGBUILDDIR»/build/../src/include -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE
-I/usr/include/libxml2 -I/usr/include/tcl8.6 -c -o bgworker.o
/«PKGBUILDDIR»/build/../src/backend/postmaster/bgworker.c
/tmp/cc4j88on.s: Assembler messages:
/tmp/cc4j88on.s:952: Error: unknown opcode `rmb'
as: BFD (GNU Binutils for Debian) 2.25 internal error, aborting at
../../gas/write.c line 603 in size_seg
as: Please report this bug.
<builtin>: recipe for target 'bgworker.o' failed
make[5]: *** [bgworker.o] Error 1
There's a proposed patch:
https://bugs.debian.org/cgi-bin/bugreport.cgi?att=1;msg=5;bug=756368;filename=alpha-fix-read-memory-barrier.patch
Christoph Berg
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Index: postgresql-9.4-9.4~beta2/src/include/storage/barrier.h
===================================================================
--- postgresql-9.4-9.4~beta2.orig/src/include/storage/barrier.h
+++ postgresql-9.4-9.4~beta2/src/include/storage/barrier.h
@@ -117,7 +117,7 @@ extern slock_t dummy_spinlock;
* read barrier to cover that case. We might need to add that later.
*/
#define pg_memory_barrier() __asm__ __volatile__ ("mb" : : : "memory")
-#define pg_read_barrier() __asm__ __volatile__ ("rmb" : : : "memory")
+#define pg_read_barrier() __asm__ __volatile__ ("mb" : : : "memory")
#define pg_write_barrier() __asm__ __volatile__ ("wmb" : : : "memory")
#elif defined(__hppa) || defined(__hppa__) /* HP PA-RISC */
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