On 18-May-15 16:50, Parag Chandra wrote:
In other words, these flags might very
well be the same ones you’d see if you were to manually create an Xcode
project via its wizards.
Not exactly. Wizard add some extra attributes:
Xcode 6.2 -> New project -> OSX -> Application -> Command Line Tool
> grep -i warn project.pbxproj
CLANG_WARN_BOOL_CONVERSION = YES;
CLANG_WARN_CONSTANT_CONVERSION = YES;
CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
CLANG_WARN_EMPTY_BODY = YES;
CLANG_WARN_ENUM_CONVERSION = YES;
CLANG_WARN_INT_CONVERSION = YES;
CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
CLANG_WARN_UNREACHABLE_CODE = YES;
CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
GCC_WARN_UNDECLARED_SELECTOR = YES;
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
CLANG_WARN_BOOL_CONVERSION = YES;
CLANG_WARN_CONSTANT_CONVERSION = YES;
CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
CLANG_WARN_EMPTY_BODY = YES;
CLANG_WARN_ENUM_CONVERSION = YES;
CLANG_WARN_INT_CONVERSION = YES;
CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
CLANG_WARN_UNREACHABLE_CODE = YES;
CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
GCC_WARN_UNDECLARED_SELECTOR = YES;
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
However CMake use others:
> cmake -H. -B_builds -GXcode
> grep -i warn project.pbxproj
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
WARNING_CFLAGS = ("-Wmost",
"-Wno-four-char-constants", "-Wno-unknown-pragmas", "$(inherited)", );
In CMake case Xcode set missing attributes to default values, some of
them set to YES, some of them set to NO
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