Centralize arch detection in a public header

[lttng-ust.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 4d82488dcecf33d9b5d555f24003f9f7f2fd291c..d089cfaa6445c7d853d01fcf3e3d36fd860e3eac 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -196,18 +196,16 @@ AS_CASE([$host_cpu],
        [ppc64le], [],
        [powerpc64], [],
        [powerpc64le], [],
-       [s390], [NO_UNALIGNED_ACCESS=1],
-       [s390x], [NO_UNALIGNED_ACCESS=1],
+       [s390], [],
+       [s390x], [],
        [arm*], [
-               NO_UNALIGNED_ACCESS=1
                NO_NUMA=1
                ],
-       [aarch64*], [NO_UNALIGNED_ACCESS=1],
-       [mips*], [NO_UNALIGNED_ACCESS=1],
-       [tile*], [NO_UNALIGNED_ACCESS=1],
+       [aarch64*], [],
+       [mips*], [],
+       [tile*], [],
        [
                UNSUPPORTED_ARCH=1
-               NO_UNALIGNED_ACCESS=1
        ])
 
 # Set os specific options
@@ -216,7 +214,6 @@ AS_CASE([$host_os],
 )
 
 # Configuration options, which will be installed in the config.h
-AH_TEMPLATE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [Use efficient unaligned access.])
 AH_TEMPLATE([LTTNG_UST_HAVE_SDT_INTEGRATION], [SystemTap integration via sdt.h])
 
 # Checks for libraries.
@@ -288,10 +285,6 @@ AS_IF([test "x$have_perf_event" = "xyes"], [
        AC_DEFINE([HAVE_PERF_EVENT], [1])
 ])
 
-AS_IF([test "x$NO_UNALIGNED_ACCESS" = "x"], [
-       AC_DEFINE([LTTNG_UST_HAVE_EFFICIENT_UNALIGNED_ACCESS], [1])
-])
-
 # Check for JNI header files if requested
 AC_ARG_ENABLE([jni-interface], [
 AS_HELP_STRING([--enable-jni-interface], [build JNI interface between C and Java. Needs Java include files [default=no]])
@@ -567,9 +560,6 @@ PPRINT_SUBTITLE([System])
 
 PPRINT_PROP_STRING([Target architecture], $host_cpu)
 
-test "x$NO_UNALIGNED_ACCESS" != "x1" && value=1 || value=0
-PPRINT_PROP_BOOL([Efficient unaligned memory access], $value)
-
 AS_IF([test "x$UNSUPPORTED_ARCH" = "x1"],[
        PPRINT_WARN([Your architecture ($host_cpu) is unsupported, using safe default of no unaligned access.])
 ])