Have examples use WUFFS_CONFIG__STATIC_FUNCTIONS
Compile time:
$ time ./build-example.sh
Before: user 1m15.750s
After: user 0m50.343s
Binary size (excluding the statically linked example-toy-genlib):
$ ls -l gen/bin/example-* | awk '{print $5 " " $9}'
Before:
212624 gen/bin/example-cbor-to-json
284192 gen/bin/example-convert-to-nia
344744 gen/bin/example-crc32
184304 gen/bin/example-gifplayer
324952 gen/bin/example-imageviewer
209632 gen/bin/example-json-to-cbor
241432 gen/bin/example-jsonfindptrs
196320 gen/bin/example-jsonptr
309768 gen/bin/example-sdl-imageviewer
200704 gen/bin/example-zcat
After:
85280 gen/bin/example-cbor-to-json
242216 gen/bin/example-convert-to-nia
344744 gen/bin/example-crc32
53328 gen/bin/example-gifplayer
282840 gen/bin/example-imageviewer
95152 gen/bin/example-json-to-cbor
122720 gen/bin/example-jsonfindptrs
60448 gen/bin/example-jsonptr
267672 gen/bin/example-sdl-imageviewer
64792 gen/bin/example-zcat
Before total: 2508672
After total: 1619192
diff --git a/example/jsonptr/jsonptr.cc b/example/jsonptr/jsonptr.cc
index 3d72c58..184177f 100644
--- a/example/jsonptr/jsonptr.cc
+++ b/example/jsonptr/jsonptr.cc
@@ -114,6 +114,16 @@
// compiling it.
#define WUFFS_IMPLEMENTATION
+// Defining the WUFFS_CONFIG__STATIC_FUNCTIONS macro is optional, but when
+// combined with WUFFS_IMPLEMENTATION, it demonstrates making all of Wuffs'
+// functions have static storage.
+//
+// This can help the compiler ignore or discard unused code, which can produce
+// faster compiles and smaller binaries. Other motivations are discussed in the
+// "ALLOW STATIC IMPLEMENTATION" section of
+// https://raw.githubusercontent.com/nothings/stb/master/docs/stb_howto.txt
+#define WUFFS_CONFIG__STATIC_FUNCTIONS
+
// Defining the WUFFS_CONFIG__MODULE* macros are optional, but it lets users of
// release/c/etc.c choose which parts of Wuffs to build. That file contains the
// entire Wuffs standard library, implementing a variety of codecs and file