X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=configure.ac;h=c3b4ea3ec939d6f8804f4b1b5b7803f3bc8b737b;hp=caf1f0e54edcb551a038ae76ba561e057e963d54;hb=61f33134fc9231e07e1b9519b140d68139e9fad0;hpb=27c64db6dff88ebe9761dfe3b0c073d2a9bf2e41

diff --git a/configure.ac b/configure.ac
index caf1f0e54..c3b4ea3ec 100644
--- a/configure.ac
+++ b/configure.ac
@@ -183,7 +183,6 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -Wno-unused-parameter \
         -Wno-missing-field-initializers \
         -Wno-unused-result \
-        -Wno-typedef-redefinition \
         -Werror=overflow \
         -Wdate-time \
         -Wnested-externs \
@@ -198,6 +197,13 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -fstack-protector-strong \
         -fPIE \
         --param=ssp-buffer-size=4])
+
+AS_CASE([$CC], [*clang*],
+        [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
+               -Wno-typedef-redefinition \
+               -Wno-gnu-variable-sized-type-not-at-end \
+        ])])
+
 AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
         [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
                -flto -ffat-lto-objects])],
@@ -300,7 +306,6 @@ RT_LIBS="$LIBS"
 AC_SUBST(RT_LIBS)
 LIBS="$save_LIBS"
 
-AC_CHECK_FUNCS([fanotify_init fanotify_mark])
 AC_CHECK_FUNCS([memfd_create])
 AC_CHECK_FUNCS([__secure_getenv secure_getenv])
 AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, LO_FLAGS_PARTSCAN],