Update CMake script to relax build options for examples.

This makes it so examples don't throw annoying warnings, that in order
to fix, would require making the example code unnecessarily untidy.

Author: mackron

CMakeLists.txt

@@ -588,7 +588,7 @@ if(NOT MINIAUDIO_NO_EXTRA_NODES)
 
         if(MINIAUDIO_BUILD_EXAMPLES)
             add_executable(miniaudio_${name}_node_example extras/nodes/ma_${name}_node/ma_${name}_node_example.c)
-            target_link_libraries(miniaudio_${name}_node_example PRIVATE miniaudio_common_options)
+            target_link_libraries(miniaudio_${name}_node_example PRIVATE miniaudio_example)
         endif()
     endfunction()
 
@@ -600,12 +600,18 @@ if(NOT MINIAUDIO_NO_EXTRA_NODES)
 endif()
 
 
-# Interface with common options to simplify the setup of tests and examples. Note that we don't pass
-# in COMPILE_DEFINES here because want to allow the tests and examples to define their own defines. If
-# we were to use COMPILE_DEFINES here many of the tests and examples would not compile.
-add_library(miniaudio_common_options INTERFACE)
-target_compile_options(miniaudio_common_options INTERFACE ${COMPILE_OPTIONS})
-target_link_libraries (miniaudio_common_options INTERFACE ${COMMON_LINK_LIBRARIES})
+# Interface for examples. Examples do not include COMPILE_OPTIONS because when compiling with things
+# like MINIAUDIO_FORCE_C89, etc. it could sometimes result in warnings which would make automated
+# build tools have unnecessarily messy output. Working around these errors would require us modifying
+# the examples in ways where it would negatively affect its readablity.
+add_library(miniaudio_example INTERFACE)
+target_link_libraries (miniaudio_example INTERFACE ${COMMON_LINK_LIBRARIES})
+
+# Interface for tests. This includes our COMPILE_OPTIONS settings because we want tests to check for
+# build errors with MINIAUDIO_FORCE_C89, etc.
+add_library(miniaudio_test INTERFACE)
+target_compile_options(miniaudio_test INTERFACE ${COMPILE_OPTIONS})
+target_link_libraries (miniaudio_test INTERFACE ${COMMON_LINK_LIBRARIES})
 
 # Tests
 #
@@ -617,7 +623,7 @@ if(MINIAUDIO_BUILD_TESTS)
 
     function(add_miniaudio_test name source)
         add_executable(${name} ${TESTS_DIR}/${source})
-        target_link_libraries(${name} PRIVATE miniaudio_common_options)
+        target_link_libraries(${name} PRIVATE miniaudio_test)
         if(TARGET miniaudio_pipewire)
             target_link_libraries(${name} PRIVATE miniaudio_pipewire)
             target_compile_definitions(${name} PRIVATE MA_TESTS_INCLUDE_PIPEWIRE)
@@ -654,11 +660,10 @@ if (MINIAUDIO_BUILD_EXAMPLES)
 
     function(add_miniaudio_example name source)
         add_executable(${name} ${EXAMPLES_DIR}/${source})
-        target_link_libraries(${name} PRIVATE miniaudio_common_options)
+        target_link_libraries(${name} PRIVATE miniaudio_example)
     endfunction()
 
     add_miniaudio_example(miniaudio_custom_backend custom_backend.c)
-    target_compile_options(miniaudio_custom_backend PRIVATE -Wno-declaration-after-statement)
 
     add_miniaudio_example(miniaudio_custom_decoder_engine custom_decoder_engine.c)
     if(HAS_LIBVORBIS)