Make WebP + CocoaPods + use_frameworks! work again

Example/Podfile

@@ -1,3 +1,5 @@
+xcodeproj 'PINRemoteImage.xcodeproj'
+
 target 'PINRemoteImage', :exclusive => true do
   pod "PINRemoteImage", :path => "../"
   pod "PINCache"
@@ -5,5 +7,5 @@ target 'PINRemoteImage', :exclusive => true do
 end
 
 target 'PINRemoteImage Tests', :exclusive => true do
-  pod "PINRemoteImage", :path => "../"
+  pod "PINRemoteImage/WebP", :path => "../"
 end

Example/Podfile.lock

@@ -32,11 +32,15 @@ PODS:
   - PINRemoteImage/FLAnimatedImage (1.2.3):
     - FLAnimatedImage (>= 1.0)
     - PINRemoteImage/Core
+  - PINRemoteImage/WebP (1.2.3):
+    - libwebp
+    - PINRemoteImage/Core
 
 DEPENDENCIES:
   - libwebp
   - PINCache
   - PINRemoteImage (from `../`)
+  - PINRemoteImage/WebP (from `../`)
 
 EXTERNAL SOURCES:
   PINRemoteImage:
@@ -46,6 +50,6 @@ SPEC CHECKSUMS:
   FLAnimatedImage: e16a1e1cef08e4c509b47e4acbe3923f65c16135
   libwebp: 68ba2001ba6806ee52837ebd77a551a0b6567e4e
   PINCache: 9e70271f1bdd60c0465b7208adcc4b6acc1fc376
-  PINRemoteImage: 9dce28a9520f9f5fc502ad04f05b736e54e7cc3b
+  PINRemoteImage: c976954a7b36820808fe0214df49405b012352b3
 
 COCOAPODS: 0.38.2

PINRemoteImage.podspec

@@ -46,4 +46,10 @@ Pod::Spec.new do |s|
     fs.source_files = 'Pod/Classes/Image Categories/FLAnimatedImageView+PINRemoteImage.h', 'Pod/Classes/Image Categories/FLAnimatedImageView+PINRemoteImage.m'
     fs.dependency 'FLAnimatedImage', '>= 1.0'
   end
+
+  s.subspec 'WebP' do |webp|
+    webp.xcconfig = { 'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) PIN_WEBP=1' }
+    webp.dependency 'PINRemoteImage/Core'
+    webp.dependency 'libwebp'
+  end
 end

Pod/Classes/Categories/NSData+ImageDetectors.h

@@ -11,7 +11,7 @@
 @interface NSData (PINImageDetectors)
 
 - (BOOL)pin_isGIF;
-#if __has_include(<webp/decode.h>)
+#ifdef PIN_WEBP
 - (BOOL)pin_isWebP;
 #endif
 
@@ -20,7 +20,7 @@
 @interface NSData (PINImageDetectors_Deprecated)
 
 - (BOOL)isGIF __attribute((deprecated("use pin_isGIF")));
-#if __has_include(<webp/decode.h>)
+#ifdef PIN_WEBP
 - (BOOL)isWebP __attribute((deprecated("use pin_isWebP")));
 #endif
 

Pod/Classes/Categories/NSData+ImageDetectors.m

@@ -24,7 +24,7 @@
     return NO;
 }
 
-#if __has_include(<webp/decode.h>)
+#ifdef PIN_WEBP
 - (BOOL)pin_isWebP
 {
     const NSInteger length = 12;
@@ -49,7 +49,7 @@
     return [self pin_isGIF];
 }
 
-#if __has_include(<webp/decode.h>)
+#ifdef PIN_WEBP
 - (BOOL)isWebP
 {
     return [self pin_isWebP];

Pod/Classes/Categories/PINImage+DecodedImage.m

@@ -10,7 +10,7 @@
 
 #import <ImageIO/ImageIO.h>
 
-#if __has_include(<webp/decode.h>)
+#ifdef PIN_WEBP
 #import "PINImage+WebP.h"
 #endif
 
@@ -82,7 +82,7 @@ NSData * __nullable PINImagePNGRepresentation(PINImage * __nonnull image) {
     if ([data pin_isGIF]) {
         return [PINImage imageWithData:data];
     }
-#if __has_include(<webp/decode.h>)
+#ifdef PIN_WEBP
     if ([data pin_isWebP]) {
         return [PINImage pin_imageWithWebPData:data];
     }

Pod/Classes/Categories/PINImage+WebP.h

@@ -6,7 +6,7 @@
 //
 //
 
-#if __has_include(<webp/decode.h>)
+#ifdef PIN_WEBP
 
 #ifdef __IPHONE_OS_VERSION_MIN_REQUIRED
 #import <UIKit/UIKit.h>

Pod/Classes/Categories/PINImage+WebP.m

@@ -8,8 +8,12 @@
 
 #import "PINImage+WebP.h"
 
-#if __has_include(<webp/decode.h>)
-#import <webp/decode.h>
+#ifdef PIN_WEBP
+#if !COCOAPODS
+#import "webp/decode.h"
+#else
+#import "libwebp/webp/decode.h"
+#endif
 
 static void releaseData(void *info, const void *data, size_t size)
 {