1 files changed, 32 insertions, 0 deletions
diff --git a/source/luametatex/cmake/luarest.cmake b/source/luametatex/cmake/luarest.cmake
new file mode 100644
index 000000000..e374ec156
--- /dev/null
+++ b/source/luametatex/cmake/luarest.cmake
@@ -0,0 +1,32 @@
+# The cerf library is actually optional but for now we compile it with the
+# rest because the complex interfaces are different per platform. There is
+# not that much code involved. But, anyway, at some point it might become
+# a real optional module in which case the following will change.
+
+set(luarest_sources
+
+    source/luaoptional/lmtcerflib.c
+
+    source/libraries/libcerf/erfcx.c
+    source/libraries/libcerf/err_fcts.c
+    source/libraries/libcerf/im_w_of_x.c
+    source/libraries/libcerf/w_of_z.c
+    source/libraries/libcerf/width.c
+)
+
+add_library(luarest STATIC ${luarest_sources})
+
+target_include_directories(luarest PRIVATE
+    source/libraries/libcerf
+    source/luacore/lua54/src
+)
+
+# only when all ok, to avoid messages
+
+include(CheckCCompilerFlag)
+
+CHECK_C_COMPILER_FLAG("-Wno-discarded-qualifiers" limited_support)
+
+if (limited_support)
+    target_compile_options(luarest PRIVATE -Wno-discarded-qualifiers)
+endif()