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From 65db03f03dbb61172c6eea8b34d11ea9eb0c6d77 Mon Sep 17 00:00:00 2001
From: Gyorgy Sarvari <skandigraun@gmail.com>
Date: Mon, 10 Mar 2025 13:52:11 +0100
Subject: [PATCH] BLD: add option to specify numpy header location
In some cases the numpy module might not be usable during build-time,
especially when cross-compiling. (E.g. when compiling for arm32 on a
x86-64 machine, the arm32 module is not usable at build time).
This makes meson fail, as it isn't able to figure out the location of
numpy headers.
To allow an alternative way to find these headers, introduce a meson
build option, where the location of the numpy headers can be specified.
In case numpy module cannot be loaded for some reason to query the
include folder location, fall back to the value of this meson option.
Upstream-Status: Submitted [https://github.com/pandas-dev/pandas/pull/61095]
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
Signed-off-by: Leon Anavi <leon.anavi@konsulko.com>
---
meson.options | 1 +
pandas/meson.build | 12 +++++++++---
2 files changed, 10 insertions(+), 3 deletions(-)
create mode 100644 meson.options
diff --git a/meson.options b/meson.options
new file mode 100644
index 0000000..3d3a18d
--- /dev/null
+++ b/meson.options
@@ -0,0 +1 @@
+option('numpy_inc_dir', type : 'string', description : 'The absolute path to the numpy headers')
diff --git a/pandas/meson.build b/pandas/meson.build
index 840ac25..2c3423e 100644
--- a/pandas/meson.build
+++ b/pandas/meson.build
@@ -4,17 +4,23 @@ incdir_numpy = run_command(
'-c',
'''
import os
-import numpy as np
+try:
+ import numpy as np
+ base_incdir = np.get_include()
+except Exception:
+ base_incdir = os.getenv('NUMPY_INC_DIR')
+
try:
# Check if include directory is inside the pandas dir
# e.g. a venv created inside the pandas dir
# If so, convert it to a relative path
- incdir = os.path.relpath(np.get_include())
+ incdir = os.path.relpath(base_incdir)
except Exception:
- incdir = np.get_include()
+ incdir = base_incdir
print(incdir)
''',
],
+ env: {'NUMPY_INC_DIR': get_option('numpy_inc_dir')},
check: true,
).stdout().strip()
--
2.47.3
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