-ld3d9 => Link against DirectX (d3d9.dll).

-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.

G++ compiler mac terminal