Seen a few people had this problem, still can’t find a fix for why it is happening to me 
<result>ld: warning: directory not found for option ‘-F/Users/keith/Desktop/build/test_build.app/Frameworks’
ld: library not found for -lcrt1.3.1.o
clang: error: linker command failed with exit code 1 (use -v to see invocation)</result>
May 02 05:33:47.780 ERROR: Builder failed: ld: warning: directory not found for option ‘-F/Users/keith/Desktop/build/test_build.app/Frameworks’
May 02 05:33:47.781 ld: library not found for -lcrt1.3.1.o
clang: error: linker command failed with exit code 1 (use -v to see invocation)
BUILD ERROR: There was a problem linking the app.
Check the console for more information.
May 02 05:33:47.814 iOS build failed (12) after 20 seconds
May 02 05:33:48.217 ERROR: Build Failed: There was a problem linking the app.
Check the console for more information.
Specifics for iOS with:
OS X 10.12.4 (16E195)
Corona Simulator Version 2017.3068 (2017.3.31)
XCode Version 8.3.2 (8E2002)
My build.settings look like this:
settings = { plugins = { -- key is the name passed to Lua's 'require()' ["CoronaProvider.native.popup.social"] = { -- required publisherId = "com.coronalabs", }, }, android = { versionCode = "10", usesPermissions = { "android.permission.INTERNET", "com.android.vending.BILLING", "android.permission.WRITE\_EXTERNAL\_STORAGE", }, }, orientation = { default = "portrait", supported = { "portrait" }, }, iphone = { plist = { UIApplicationExitsOnSuspend = false, UIStatusBarHidden = true, UIPrerenderedIcon = true, MinimumOSVersion="5.1.0", CFBundleDisplayName = "D-Fleet", CFBundleIconFiles = { "Icon.png", "Icon@2x.png", "Icon-Small-40.png", "Icon-Small-40@2x.png", "Icon-60.png", "Icon-60@2x.png", "Icon-72.png", "Icon-72@2x.png", "Icon-76.png", "Icon-76@2x.png", "Icon-Small-50.png", "Icon-Small-50@2x.png", "Icon-Small.png", "Icon-Small@2x.png" }, }, components = {} } }