title: Xcode 7 - macro name must be an identifier
body: <p>I've upgraded to Xcode 7 and out of the sudden one of my targets fails to build with "macro name must be an identifier" message. Debug configuration of this target builds just ok and I can run it on the device, but release configuration doesn't build. </p>
  
  <p>The error points to the target's .pch file, but same .pch file builds just ok for many other targets, including those that are release.</p>
  
  <p>Here is the error message:</p>
  
  <pre>
  ProcessPCH /Users/stanislavdvoychenko/Library/Developer/Xcode/DerivedData/speedo-gagyicfwqpzsudcvwgxjqhwbgpte/Build/Intermediates/PrecompiledHeaders/speedometer-Prefix-copscroeimdxfkdvcsfifjmzires/speedometer-Prefix.pch.pch speedometer/speedometer-Prefix.pch normal armv7 c com.apple.compilers.llvm.clang.1_0.compiler
      cd /Users/stanislavdvoychenko/Documents/code/speedo
      export LANG=en_US.US-ASCII
      export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"
      /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c-header -arch armv7 -fmessage-length=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit=0 -std=gnu99 -gmodules -Wno-trigraphs -fpascal-strings -Os -fno-common -Wno-missing-field-initializers -Wno-missing-prototypes -Wunreachable-code -Wno-missing-braces -Wparentheses -Wswitch -Wunused-function -Wno-unused-label -Wno-unused-parameter -Wunused-variable -Wunused-value -Wempty-body -Wuninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wconstant-conversion -Wint-conversion -Wbool-conversion -Wenum-conversion -Wshorten-64-to-32 -Wpointer-sign -Wno-newline-eof -DCOCOAPODS=1 -DCOCOAPODS=1 -DTAXI -D=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS9.0.sdk -fstrict-aliasing -Wdeprecated-declarations -miphoneos-version-min=7.0 -g -fvisibility=hidden -Wno-sign-conversion -I/Users/stanislavdvoychenko/Library/Developer/Xcode/DerivedData/speedo-gagyicfwqpzsudcvwgxjqhwbgpte/Build/Intermediates/speedo.build/Release-iphoneos/taximeter.build/taximeter.hmap -I/Users/stanislavdvoychenko/Library/Developer/Xcode/DerivedData/speedo-gagyicfwqpzsudcvwgxjqhwbgpte/Build/Products/Release-iphoneos/include -I/Users/stanislavdvoychenko/Documents/code/speedo/Pods/Headers/Public -I/Users/stanislavdvoychenko/Documents/code/speedo/Pods/Headers/Public/GoogleMaps -I/Users/stanislavdvoychenko/Library/Developer/Xcode/DerivedData/speedo-gagyicfwqpzsudcvwgxjqhwbgpte/Build/Intermediates/speedo.build/Release-iphoneos/taximeter.build/DerivedSources/armv7 -I/Users/stanislavdvoychenko/Library/Developer/Xcode/DerivedData/speedo-gagyicfwqpzsudcvwgxjqhwbgpte/Build/Intermediates/speedo.build/Release-iphoneos/taximeter.build/DerivedSources -F/Users/stanislavdvoychenko/Library/Developer/Xcode/DerivedData/speedo-gagyicfwqpzsudcvwgxjqhwbgpte/Build/Products/Release-iphoneos -F/Users/stanislavdvoychenko/Documents/code/speedo/Pods/GoogleMaps/Frameworks -F/Users/stanislavdvoychenko/Documents/code/speedo -DNS_BLOCK_ASSERTIONS=1 -isystem /Users/stanislavdvoychenko/Documents/code/speedo/Pods/Headers/Public -isystem /Users/stanislavdvoychenko/Documents/code/speedo/Pods/Headers/Public/GoogleMaps -MD -MT dependencies -MF /Users/stanislavdvoychenko/Library/Developer/Xcode/DerivedData/speedo-gagyicfwqpzsudcvwgxjqhwbgpte/Build/Intermediates/PrecompiledHeaders/speedometer-Prefix-copscroeimdxfkdvcsfifjmzires/speedometer-Prefix.pch.d -c /Users/stanislavdvoychenko/Documents/code/speedo/speedometer/speedometer-Prefix.pch -o /Users/stanislavdvoychenko/Library/Developer/Xcode/DerivedData/speedo-gagyicfwqpzsudcvwgxjqhwbgpte/Build/Intermediates/PrecompiledHeaders/speedometer-Prefix-copscroeimdxfkdvcsfifjmzires/speedometer-Prefix.pch.pch --serialize-diagnostics /Users/stanislavdvoychenko/Library/Developer/Xcode/DerivedData/speedo-gagyicfwqpzsudcvwgxjqhwbgpte/Build/Intermediates/PrecompiledHeaders/speedometer-Prefix-copscroeimdxfkdvcsfifjmzires/speedometer-Prefix.pch.dia
  
  In file included from :334:
  :4:10: error: macro name must be an identifier
  #define  1
           ^
  1 error generated.
  </pre>
  
  <p>And here is the .pch file:</p>
  
  <pre>
  #import 
  
  #ifndef __IPHONE_4_0
  #warning "This project uses features only available in iOS SDK 4.0 and later."
  #endif
  
  #ifdef __OBJC__
      #import &ltUIKit/UIKit.h>
      #import &ltFoundation/Foundation.h>
      #import "Enums.h"
  #endif
  #define APP ((AppDelegate *)[[UIApplication sharedApplication] delegate])
  </pre>
  
  <p>I've tried already the clean and Xcode restart.</p>
  
  <p>I'll be grateful for any pointers for how can I dig deeper and find where the problem is.</p>