-Wl,–subsystem,windows => Build for winodw subsystem.-Wl,–subsystem,console => Build for console subsystem.Unix *.dylib on MacOSX and *.dll on Windows)

Directory which linker will search for libraries (*.so files on.=> Lots of compiler flags for hardening security.Simple C++ Symbol Visibility Demo | LabJack.

Likelyhood of undefined behavior if there a multipleĭefinitions of same symbol during linking. WhenĪll symbols are exported by default, it may increase the The prefix _declspec(dllexport) or _declspec(dllimport). What happens in Windows DLLs where exported symbols must have

=> Make library symbols hidden by default, in a similar way to.

That they disable RTTI due to performance concerns. Texts around where game and embedded systems developers report

=> Disable RTTI (Runtime Type Information) - There many.

Or anything where exceptiions may not be acceptable).

=> Disable C++ exceptions (it may be better for embedded systems.

=> Builds a staticlaly linked position independent executable.

=> Builds a dynamically linked position independent executable.

Option is better for incremental compilation when using

=> Compiler source(s) to object-code (input to linker).

=> Builds executable with debugging symbols for GDB GNUĭebugger or LLDB Clang/LLVM Debugger.

-fexceptions -fstack-protector-strong –param=ssp-buffer-size=4.

Of flags as can be seen src (-ffloat-store, -ffsast-math,

Enables higher level of optmization than (-O3).

No optmization, faster compilation time, better for debugging builds.

-DDO_SOMETHING=1 - Equivalent to add to the code #define DO_SOMETHING = 1.

-DCOMPILE_VAR -> Enable flag COMPILE_VAR - It is equivalent to.

-I/path/to/include1 -I/path/to/include2 ….

Include Path - Directories containing headers files.

-lpthread - Compile against Posix threads shared library.

-lm - Compiles against the shared library libm (basic math.

-Wpointer-arith -Wcast-qual -Wmissing-prototypes -Wno-missing-braces.

Issues warning whenever there are compiler extensions non

Issue all warning required by ISO C and ISO C++ standard, it.

Wsign-compare (C only), -Wtype-limits, -Wuninitialized …

Enables extra flags not enabled by -Wall, such as.

Turn any warning into a compilation error.

Wuninitialized, -Wunknown-pragmas, -Wunused-value, (-Waddress, -Wcomment, -Wformat, -Wbool-compare,

Turns on lots of compiler warning flags, specifically.

-std=gnu++ (ISO C++ with GNU extensions).

std - Specify the C++ version or ISO standard version.

GCC and Clang Most common compiler flags:

Add search path to header files (.h) or (.hpp).

*.so, *.dll or *.dlyb files such as libLinearAlgebra.so depending

=> Add search path to shared libraries, directory containing.Linux, BSD, AIX, …) or linalg.dylib on MacOSX. Links to linalg.dll on Windows, liblinalg.so (on Unix-like oses like => Links to shared library or shared object - Specifically, it.

Mac terminal compile c++