Use more static libraries in the CMake build (#451)

* Factor passes and emscripten-optimizer into static libs

This removes the redundancies from the source sets in the main
CMakeLists.txt.

* Make passes an object lib

* Use static libs with --whole-archive because Travis has old cmake

4 files changed, 33 insertions, 0 deletions

diff --git a/src/emscripten-optimizer/CMakeLists.txt b/src/emscripten-optimizer/CMakeLists.txt
new file mode 100644
index 000000000..6c302b991
--- /dev/null
+++ b/src/emscripten-optimizer/CMakeLists.txt
@@ -0,0 +1,6 @@
+SET(emscripten-optimizer_SOURCES
+  optimizer-shared.cpp
+  parser.cpp
+  simple_ast.cpp
+)
+ADD_LIBRARY(emscripten-optimizer STATIC ${emscripten-optimizer_SOURCES})
diff --git a/src/passes/CMakeLists.txt b/src/passes/CMakeLists.txt
new file mode 100644
index 000000000..460910978
--- /dev/null
+++ b/src/passes/CMakeLists.txt
@@ -0,0 +1,17 @@
+SET(passes_SOURCES
+  pass.cpp
+  LowerIfElse.cpp
+  MergeBlocks.cpp
+  Metrics.cpp
+  NameManager.cpp
+  OptimizeInstructions.cpp
+  PostEmscripten.cpp
+  Print.cpp
+  RemoveImports.cpp
+  RemoveUnusedBrs.cpp
+  RemoveUnusedNames.cpp
+  ReorderLocals.cpp
+  SimplifyLocals.cpp
+  Vacuum.cpp
+)
+ADD_LIBRARY(passes STATIC ${passes_SOURCES})
diff --git a/src/pass.cpp b/src/passes/pass.cpp
index e4cc35554..e4cc35554 100644
--- a/src/pass.cpp
+++ b/src/passes/pass.cpp
diff --git a/src/support/CMakeLists.txt b/src/support/CMakeLists.txt
new file mode 100644
index 000000000..08546e3ee
--- /dev/null
+++ b/src/support/CMakeLists.txt
@@ -0,0 +1,10 @@
+SET(support_SOURCES
+  archive.cpp
+  bits.cpp
+  colors.cpp
+  command-line.cpp
+  file.cpp
+  safe_integer.cpp
+  threads.cpp
+)
+ADD_LIBRARY(support STATIC ${support_SOURCES})