From 435fd5afa57eb8c3157600431f0c8d4df6257cd4 Mon Sep 17 00:00:00 2001
From: Allen Byrne <byrn@hdfgroup.org>
Date: Tue, 30 Jan 2018 16:03:03 -0600
Subject: HDFFV-10398 add support for Emscriptem build system

---
 CMakeLists.txt     | 10 +++++++---
 src/CMakeLists.txt |  6 ++++++
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ee5fc2a..00ec70a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -528,9 +528,13 @@ endif ()
 #-----------------------------------------------------------------------------
 # Option to embed library info into executables
 #-----------------------------------------------------------------------------
-option (HDF5_ENABLE_EMBEDDED_LIBINFO "embed library info into executables" ON)
-if (HDF5_ENABLE_EMBEDDED_LIBINFO)
-  set (H5_HAVE_EMBEDDED_LIBINFO 1)
+if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
+  set (H5_HAVE_EMBEDDED_LIBINFO 0)
+else ()
+  option (HDF5_ENABLE_EMBEDDED_LIBINFO "embed library info into executables" ON)
+  if (HDF5_ENABLE_EMBEDDED_LIBINFO)
+    set (H5_HAVE_EMBEDDED_LIBINFO 1)
+  endif ()
 endif ()
 
 include (${HDF_RESOURCES_DIR}/HDFCompilerFlags.cmake)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 0cc68ac..aaedfda 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -852,6 +852,9 @@ TARGET_C_PROPERTIES (H5detect STATIC " " " ")
 if (MSVC OR MINGW)
   target_link_libraries (H5detect "ws2_32.lib")
 endif ()
+if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
+  set_property(TARGET H5detect PROPERTY LINK_FLAGS "-O0")
+endif ()
 
 add_custom_command (
     OUTPUT ${HDF5_BINARY_DIR}/H5Tinit.c
@@ -865,6 +868,9 @@ TARGET_C_PROPERTIES (H5make_libsettings STATIC " " " ")
 if (MSVC OR MINGW)
   target_link_libraries (H5make_libsettings "ws2_32.lib")
 endif ()
+if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
+  set_property(TARGET H5make_libsettings PROPERTY LINK_FLAGS "-O0")
+endif ()
 
 add_custom_command (
     OUTPUT ${HDF5_BINARY_DIR}/H5lib_settings.c
-- 
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