build: Not all the toolchains support -Oz. Oh well.

GNUmakefile

@@ -211,9 +211,11 @@ $(DEBUG_TARGETS): CFLAGS += -DDEBUG -Og
 $(DEBUG_TARGETS): LDFLAGS += -Og
 $(RELEASE_TARGETS): CFLAGS += \
 	-DNDEBUG \
-	-flto \
-	-Oz
-$(RELEASE_TARGETS): LDFLAGS += -Oz
+	-flto
+$(ANDROID_RELEASE_TARGETS): CFLAGS += -Oz
+$(ANDROID_RELEASE_TARGETS): LDFLAGS += -Oz
+$(NONANDROID_RELEASE_TARGETS): CFLAGS += -Os
+$(NONANDROID_RELEASE_TARGETS): LDFLAGS += -Os
 $(WINDOWS_TARGETS): CC = x86_64-w64-mingw32-gcc-win32
 $(WINDOWS_TARGETS): AS = $(CC)
 $(WINDOWS_TARGETS): CFLAGS += \

tools/ssl-ios

@@ -29,14 +29,14 @@ do
     case $build_target in
     ios64-xcrun)
         TRIBLE="arm64-darwin-ios"
-        OPTIONS="--static -static -Oz -ffunction-sections -fdata-sections -fPIC -Wno-macro-redefined -miphoneos-version-min=9.0"
+        OPTIONS="--static -static -Os -ffunction-sections -fdata-sections -fPIC -Wno-macro-redefined -miphoneos-version-min=9.0"
         DESTDIR="/tmp/$BUILD_DIR/arm64-ios"
         SSL_TARGET="ios64-xcrun"
         CC=clang
     ;;
     iossimulator-xcrun)
         TRIBLE="x86_64-darwin-ios"
-        OPTIONS="--static -static -Oz -ffunction-sections -fdata-sections -fPIC -Wno-macro-redefined"
+        OPTIONS="--static -static -Os -ffunction-sections -fdata-sections -fPIC -Wno-macro-redefined"
         DESTDIR="/tmp/$BUILD_DIR/x86_64-iossim"
         SSL_TARGET="iossimulator-xcrun"
         CC=clang

tools/ssl-local

@@ -69,7 +69,7 @@ no-uplink
 no-whirlpool
 no-weak-ssl-ciphers
 no-zlib
--Oz
+-Os
 -DOPENSSL_SMALL_FOOTPRINT
 -ffunction-sections
 -fdata-sections

tools/ssl-mingw64

@@ -56,7 +56,7 @@ build_the_thing() {
         no-uplink
         no-weak-ssl-ciphers
         no-zlib
-        -Oz
+        -Os
         -ffunction-sections
         -fdata-sections
         -flto