Compiler Flags

Compiler flags may also control linker options under typical use of the compiler frontend command like “gfortran”. Projects should be mindful of not setting unneeded flags as compiler options may change over time, or not be supported on less common but important platforms like RISC.

2026

• 2026-07-26 – Fortran compiler standard enforce
• 2026-07-24 – Fortran undefined and unused variable warnings
• 2026-07-23 – Xcode 15.x ld_classic linker workaround
• 2026-04-22 – Major changes in GCC Gfortran by version

2025

• 2025-06-02 – Determine GCC -Wall flags enabled
• 2025-04-28 – CMake per-language option flags

2024

• 2024-04-27 – Fortran logical boolean C_BOOL

2022

• 2022-05-12 – Identifying Fortran compiler with CMake

2018

• 2018-12-04 – Fortran and short-circuit logic