Add aarch64 support to configure

[lttng-ust.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index f09eb5190bb0a715255feaa9a322dd4f1cc38f41..971cf54e9caf83a58babb52ae01e47325735ebc1 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -48,6 +48,7 @@ AC_DEFINE_UNQUOTED([VERSION_NAME], ["$version_name"], [UST version name])
 AC_DEFINE_UNQUOTED([VERSION_DESCRIPTION], ["$version_description"], [UST version description])
 
 AC_PROG_GREP
+AC_PROG_LN_S
 # libtool link_all_deplibs fixup. See http://bugs.lttng.org/issues/321.
 AC_ARG_ENABLE(libtool-linkdep-fixup,
        AS_HELP_STRING([--disable-libtool-linkdep-fixup],
@@ -105,6 +106,13 @@ AC_CACHE_CHECK([whether the C++ compiler works],
 
 AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
 
+# Check if the compiler support weak symbols
+AX_SYS_WEAK_ALIAS
+
+if test "x${ax_cv_sys_weak_alias}" = "xno"; then
+   AC_MSG_ERROR([Your platform doesn't support weak symbols.])
+fi
+
 ## Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen],
 [
@@ -230,6 +238,7 @@ changequote([,])dnl
        s390) NO_UNALIGNED_ACCESS=1 ;;
        s390x) NO_UNALIGNED_ACCESS=1 ;;
         arm*) NO_UNALIGNED_ACCESS=1 ;;
+       aarch64) NO_UNALIGNED_ACCESS=1 ;;
        mips*) NO_UNALIGNED_ACCESS=1 ;;
        tile*) NO_UNALIGNED_ACCESS=1 ;;
        *) AC_MSG_ERROR([unable to detect alignment requirements (unsupported architecture ($host_cpu)?)]) ;;
@@ -299,6 +308,14 @@ if test "x$java_agent_log4j" = "xyes"; then
   fi
 fi
 
+# Option to build the python agent
+AC_ARG_ENABLE([python-agent],
+       [AS_HELP_STRING([--enable-python-agent],[build the LTTng UST Python agent [default=no]])],
+    [python_agent=$enableval],
+       [:]
+)
+AM_CONDITIONAL([BUILD_PYTHON_AGENT], [test "x$python_agent" = "xyes"])
+
 # sdt.h integration
 AC_ARG_WITH([sdt],
        [AS_HELP_STRING([--with-sdt],[provide SystemTap integration via sdt.h [default=no]])],
@@ -366,6 +383,7 @@ AC_CONFIG_FILES([
        liblttng-ust-java-agent/jni/log4j/Makefile
        liblttng-ust-libc-wrapper/Makefile
        liblttng-ust-cyg-profile/Makefile
+       liblttng-ust-python-agent/Makefile
        tools/Makefile
        tests/Makefile
        tests/hello/Makefile
@@ -398,6 +416,9 @@ AS_IF([test "x$java_agent_log4j" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disa
 AS_ECHO_N("JNI interface (JNI): ")
 AS_IF([test "x$jni_interface" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
 
+AS_ECHO_N("Python agent: ")
+AS_IF([test "x$python_agent" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])
+
 AS_ECHO_N("sdt.h integration:  ")
 AS_IF([test "x$with_sdt" = "xyes"], [AS_ECHO("Enabled")], [AS_ECHO("Disabled")])