[Libreoffice-commits] online.git: configure.ac

[Corentin Noël (via logerrit)]

 configure.ac |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

New commits:
commit dbaf32c627a5c48b36c91bcee6fb5d94994c91da
Author:     Corentin Noël <corentin.noel at collabora.com>
AuthorDate: Thu Mar 26 14:47:21 2020 +0100
Commit:     Michael Meeks <michael.meeks at collabora.com>
CommitDate: Thu Mar 26 15:32:30 2020 +0100

    autotools: Add support for atomic helper library
    
    On some platforms like Raspbian Buster, loolwsd need to be linked to the atomic helper library.
    
    Change-Id: I0a8b921d85d499040b2e65d480116cbcb14b5089
    Reviewed-on: https://gerrit.libreoffice.org/c/online/+/91102
    Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice at gmail.com>
    Reviewed-by: Michael Meeks <michael.meeks at collabora.com>

diff --git a/configure.ac b/configure.ac
index a90ee2d62..d6f4316ef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -82,6 +82,20 @@ for MODULE in lxml polib; do
     fi
 done
 
+# On some platforms, std::atomic needs a helper library
+AC_MSG_CHECKING([for the need of -latomic])
+AC_LINK_IFELSE([AC_LANG_SOURCE([
+    #include <atomic>
+    #include <cstdint>
+    std::atomic<std::int64_t> v;
+    int main() {
+      return v;
+    }
+    ])],
+               [AC_MSG_RESULT([No])],
+               [AC_MSG_RESULT([Yes])
+                LIBS="$LIBS -latomic"])
+
 # Declare options
 AC_ARG_ENABLE([debug],
               AS_HELP_STRING([--enable-debug],