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Description: link against libatomic
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1005066
Author: Tom Lee <debian@tomlee.co>
--- a/configure.ac
+++ b/configure.ac
@@ -16,6 +16,11 @@
AM_INIT_AUTOMAKE([tar-ustar])
+AC_ARG_WITH([libatomic],
+ [AS_HELP_STRING([--with-libatomic],
+ [build by linking against libatomic @<:@default=check@:>@])],
+ [],[with_libatomic=check])
+
AC_ARG_WITH([external-capnp],
[AS_HELP_STRING([--with-external-capnp],
[use the system capnp binary (or the one specified with $CAPNP) instead of compiling a new
@@ -260,10 +265,21 @@
CXXFLAGS="$CXXFLAGS -DKJ_USE_FIBERS=0"
])
+AS_IF([test "$with_libatomic" = check], [
+ AC_SEARCH_LIBS([__atomic_load_8], [atomic], [with_libatomic=yes], [with_libatomic=no])
+], [
+ AS_IF([test "$with_libatomic" = yes], [
+ AC_SEARCH_LIBS([__atomic_load_8], [atomic], [:], [
+ AC_MSG_ERROR([could not find libatomic])
+ ])
+ ])
+])
+
# CapnProtoConfig.cmake.in needs these variables,
# we force them to NO because we don't need the CMake dependency for them,
# the dependencies are provided by the .pc files.
AC_SUBST(WITH_OPENSSL, NO)
+AC_SUBST(WITH_LIBATOMIC, $with_libatomic)
AC_SUBST(_WITH_LIBUCONTEXT, NO)
AM_CONDITIONAL([HAS_FUZZING_ENGINE], [test "x$LIB_FUZZING_ENGINE" != "x"])
--- a/cmake/CapnProtoConfig.cmake.in
+++ b/cmake/CapnProtoConfig.cmake.in
@@ -99,6 +99,16 @@
pkg_check_modules(libucontext IMPORTED_TARGET ${forwarded_config_flags} libucontext)
endif()
+if (@WITH_LIBATOMIC@) # WITH_LIBATOMIC
+ include(CheckLibraryExists)
+ check_library_exists(atomic __atomic_load_8 "" FOUND_LIBATOMIC)
+ if (FOUND_LIBATOMIC)
+ list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
+ else()
+ message(FATAL_ERROR "libatomic not found")
+ endif()
+endif()
+
include("${CMAKE_CURRENT_LIST_DIR}/CapnProtoTargets.cmake")
include("${CMAKE_CURRENT_LIST_DIR}/CapnProtoMacros.cmake")
|
