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jdhughes-dev merged 2 commits into from
Aug 11, 2026
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feat: build with meson by default #309

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c59cfa0
feat: build with meson by default
jdhughes-dev Aug 10, 2026
4b99601
docs: document that meson is the default build engine
jdhughes-dev Aug 11, 2026
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4 changes: 2 additions & 2 deletions README.md
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Expand Up @@ -56,7 +56,7 @@ default values.

```
usage: mfpymake [-h] [-fc {ifort,mpiifort,gfortran,none}] [-cc {gcc,clang,clang++,icc,icl,mpiicc,g++,cl,none}] [-ar {ia32,ia32_intel64,intel64}] [-mc] [-dbl] [-dbg] [-e] [-dr] [-sd] [-ff FFLAGS]
[-cf CFLAGS] [-sl {-lc,-lm}] [-mf] [-md] [-cs COMMONSRC] [-ef EXTRAFILES] [-exf EXCLUDEFILES] [-so] [-ad APPDIR] [-v] [--keep] [--zip ZIP] [--inplace] [--networkx] [--meson] [--mesondir]
[-cf CFLAGS] [-sl {-lc,-lm}] [-mf] [-md] [-cs COMMONSRC] [-ef EXTRAFILES] [-exf EXCLUDEFILES] [-so] [-ad APPDIR] [-v] [--keep] [--zip ZIP] [--inplace] [--networkx] [--meson | --no-meson] [--mesondir MESONDIR]
srcdir target

This is the pymake program for compiling fortran, c, and c++ source
Expand Down Expand Up @@ -107,7 +107,7 @@ options:
--zip ZIP Zip built executable. (default is None)
--inplace Source files in srcdir are used directly. (default is False)
--networkx Use networkx package to build Directed Acyclic Graph use to determine the order source files are compiled in. (default is False)
--meson Use meson to build executable. (default is False)
--meson, --no-meson Use meson to build executable. Use --no-meson to build with the pymake build engine. (default is True)
--mesondir meson directory. (default is '.')

Note that the source directory should not contain any bad
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2 changes: 2 additions & 0 deletions autotest/test_build.py
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Expand Up @@ -66,6 +66,8 @@ def test_build(function_tmpdir, target: str) -> None:
pm = pymake.Pymake(verbose=True)
pm.target = target
pm.inplace = True
# meson is the default, so the pymake build engine is asked for here
pm.meson = False
fc = os.environ.get("FC", "gfortran")
assert pymake.build_apps(target, pm, verbose=True, clean=False) == 0, (
f"could not compile {target}"
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5 changes: 3 additions & 2 deletions docs/build_apps.md
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Expand Up @@ -8,7 +8,7 @@ and options can be determined by executing:
$ make-program --help

usage: make-program [-h] [--exclude EXCLUDE] [-fc {ifort,mpiifort,gfortran,none}] [-cc {gcc,clang,clang++,icc,icl,mpiicc,g++,cl,none}] [-dbl] [-dr] [-ff FFLAGS] [-cf CFLAGS] [-ad APPDIR] [-v] [--keep] [--zip ZIP]
[--meson]
[--meson | --no-meson]
targets

Download and build USGS MODFLOW and related programs.
Expand Down Expand Up @@ -37,7 +37,8 @@ options:
-v, --verbose Verbose output to terminal. (default is False)
--keep Keep existing executable. (default is False)
--zip ZIP Zip built executable. (default is None)
--meson Use meson to build executable. (default is False)
--meson, --no-meson Use meson to build executable. Use --no-meson to
build with the pymake build engine. (default is True)

Examples:

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5 changes: 3 additions & 2 deletions docs/getting_started.md
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Expand Up @@ -31,7 +31,7 @@ usage: mfpymake [-h] [-fc {ifort,mpiifort,gfortran,none}]
[-dr] [-sd] [-ff FFLAGS] [-cf CFLAGS] [-sl {-lc,-lm}] [-mf]
[-md] [-cs COMMONSRC] [-ef EXTRAFILES] [-exf EXCLUDEFILES]
[-so] [-ad APPDIR] [-v] [--keep] [--zip ZIP] [--inplace]
[--networkx] [--meson] [--mesondir]
[--networkx] [--meson | --no-meson] [--mesondir MESONDIR]
srcdir target

This is the pymake program for compiling fortran, c, and c++ source
Expand Down Expand Up @@ -107,7 +107,8 @@ optional arguments:
--networkx Use networkx package to build Directed Acyclic Graph
use to determine the order source files are compiled
in. (default is False)
--meson Use meson to build executable. (default is False)
--meson, --no-meson Use meson to build executable. Use --no-meson to
build with the pymake build engine. (default is True)
--mesondir meson directory. (default is '.')

Note that the source directory should not contain any bad
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7 changes: 4 additions & 3 deletions pymake/pymake_parser.py
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Expand Up @@ -301,10 +301,11 @@ def _get_standard_arg_dict():
},
"meson": {
"tag": ("--meson",),
"help": """Use meson to build executable. (default is False)""",
"default": False,
"help": """Use meson to build executable. Use --no-meson to build
with the pymake build engine. (default is True)""",
"default": True,
"choices": None,
"action": "store_true",
"action": argparse.BooleanOptionalAction,
},
"mesondir": {
"tag": ("--mesondir",),
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