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fix: write a meson build file with a forward slash separator #305

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Merged
jdhughes-dev merged 1 commit into from
Aug 10, 2026
Merged

fix: write a meson build file with a forward slash separator #305

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4 changes: 1 addition & 3 deletions autotest/test_build.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,9 +15,7 @@
targets_exclude = []
test_ostag = get_ostag()
test_fc_env = os.environ.get("FC")
if "win" in test_ostag:
meson_exclude = ["mt3dms", "vs2dt", "triangle", "gridgen"]
elif "win" not in test_ostag and test_fc_env in ("ifort",):
if "win" not in test_ostag and test_fc_env in ("ifort",):
meson_exclude = ["mf2000", "mf2005", "swtv4", "mflgr"]
else:
meson_exclude = []
Expand Down
27 changes: 24 additions & 3 deletions pymake/utils/_meson_build.py
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Original file line number Diff line number Diff line change
Expand Up @@ -421,6 +421,27 @@ def _meson_build(
)


def _meson_path(pth):
"""Format a path so that it can be written to a meson build file.

A meson build file is read as text, so a Windows separator starts an
escape sequence, and a source directory such as 'true-binary' becomes a
tab. Meson accepts a forward slash on every platform.

Parameters
----------
pth : str or Path
path to format

Returns
-------
pth : str
path with a forward slash separator

"""
return Path(pth).as_posix()


def _create_main_meson_build(
mesondir,
target,
Expand Down Expand Up @@ -496,7 +517,7 @@ def _create_main_meson_build(
c/cpp compiler that meson will use. None if no c/cpp source files

"""
appdir = os.path.relpath(os.path.dirname(target), mesondir)
appdir = _meson_path(os.path.relpath(os.path.dirname(target), mesondir))
target = os.path.splitext(os.path.basename(target))[0]
osname = _get_osname()

Expand Down Expand Up @@ -668,7 +689,7 @@ def _create_main_meson_build(
# add source directories
line = ""
for key, value in source_path_dict.items():
pth = os.path.relpath(value, mesondir)
pth = _meson_path(os.path.relpath(value, mesondir))
line += f"subdir('{pth}')\n"
line += "\n"
f.write(line)
Expand All @@ -681,7 +702,7 @@ def _create_main_meson_build(
for root, dirs, files in os.walk(value):
for file in files:
if file.endswith(".h") or file.endswith(".hpp"):
pth = os.path.relpath(root, mesondir)
pth = _meson_path(os.path.relpath(root, mesondir))
include_dirs.append(pth)
break
if len(include_dirs) > 0:
Expand Down
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