X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=configure.ac;h=a997ba3b9e6c62d2e6148ecb09ae1b524cabaa27;hp=0614b270efcfa42e3c64856603a9143dd9998cc6;hb=b670b3048650a2568e1fd782843252bb237851cb;hpb=fa3f8be960428e090b9576e3c67f0db33ed369d5

diff --git a/configure.ac b/configure.ac
index 0614b270e..a997ba3b9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -32,6 +32,13 @@ AM_CONDITIONAL([CXX_WORKS], [test "x$rw_cv_prog_cxx_works" = "xyes"])
 # -Wunknown-warning-option diagnostic fatal with clang.
 AX_APPEND_COMPILE_FLAGS([ dnl
 		-Wall dnl
+		dnl We currently get this warning when building with Clang:
+		dnl
+		dnl /usr/include/setjmp.h:54:12: error: declaration of built-in function '__sigsetjmp' requires the declaration of the 'jmp_buf' type, commonly provided in the header <setjmp.h>. [-Werror,-Wincomplete-setjmp-declaration]
+		dnl extern int __sigsetjmp (struct __jmp_buf_tag __env[1], int __savemask) __THROWNL;
+		dnl            ^
+		-Wno-incomplete-setjmp-declaration dnl
+		-Wdiscarded-qualifiers dnl
 	],
 	[WARN_CFLAGS],
 	[-Werror])
@@ -1059,6 +1066,10 @@ AM_CONDITIONAL([BUILD_LIB_UST_CONSUMER], [test x$build_lib_ust_consumer = xyes])
 AM_CFLAGS="${WARN_CFLAGS} -fno-strict-aliasing $PTHREAD_CFLAGS"
 AC_SUBST(AM_CFLAGS)
 
+# This is set even though it is empty, so Makefiles can do "AM_LDFLAGS += ...".
+AM_LDFLAGS=""
+AC_SUBST(AM_LDFLAGS)
+
 # The order in which the include folders are searched is important.
 # The top_builddir should always be searched first in the event that a build
 # time generated file is included. An example of this is the "version.i" file.