From 79cd3d7b8a53dcb6bd2e32025b1c44fe5cd99b7c Mon Sep 17 00:00:00 2001 From: Bent Bisballe Nyeng Date: Sat, 21 May 2016 21:26:25 +0200 Subject: Check for linkage against libatomic and librt. --- configure.ac | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index d35887a..6c85c0f 100644 --- a/configure.ac +++ b/configure.ac @@ -20,7 +20,6 @@ dnl =========================== AC_LANG_PUSH([C++]) TMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS=-std=c++11 -LDFLAGS=-lrt AC_MSG_CHECKING([whether CXX supports -std=c++11]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])], [AC_MSG_RESULT([yes])], @@ -463,6 +462,31 @@ AS_IF([test x$enable_resampler == xsrc], )] ) +dnl ====================== +dnl Check for the rt library +dnl ====================== +AC_HAVE_LIBRARY([rt],[],[]) + +dnl ====================== +dnl Check for the atomic library +dnl ====================== +AC_LINK_IFELSE( + [AC_LANG_SOURCE[ + #include + int main() { + struct Test { int val; }; + std::atomic s; + s.is_lock_free(); + } + ]], + [libatomic=yes], + [libatomic=no]) + +if test "$libatomic" = no; then + AC_HAVE_LIBRARY([atomic],[],[AC_MSG_ERROR( + [Please install the GNU Atomic library])]) +fi + dnl ====================== dnl Check for the pthread library dnl ====================== -- cgit v1.2.3