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Diffstat (limited to 'docs')
| -rw-r--r-- | docs/markdown/snippets/fortran-include.md | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/docs/markdown/snippets/fortran-include.md b/docs/markdown/snippets/fortran-include.md new file mode 100644 index 0000000..a811765 --- /dev/null +++ b/docs/markdown/snippets/fortran-include.md @@ -0,0 +1,12 @@ +## Fortran `include` statements recursively parsed + +While non-standard and generally not recommended, some legacy Fortran programs use `include` directives to inject code inline. +Since v0.51, Meson can handle Fortran `include` directives recursively. + +DO NOT list `include` files as sources for a target, as in general their syntax is not correct as a standalone target. +In general `include` files are meant to be injected inline as if they were copy and pasted into the source file. + +`include` was never standard and was superceded by Fortran 90 `module`. + +The `include` file is only recognized by Meson if it has a Fortran file suffix, such as `.f` `.F` `.f90` `.F90` or similar. +This is to avoid deeply nested scanning of large external legacy C libraries that only interface to Fortran by `include biglib.h` or similar. |