python-numpy: fix armv5tel-musl.

Uses the same patch and file from python3-numpy so we just use that from
python3-numpy's files directory.

Closes: #24988 [via git-merge-pr]

srcpkgs/python-numpy/files/fenv-constants.h

@@ -0,0 +1,10 @@
+#define FE_INVALID    1
+#define FE_DIVBYZERO  2
+#define FE_OVERFLOW   4
+#define FE_UNDERFLOW  8
+#define FE_INEXACT    16
+#define FE_ALL_EXCEPT 31
+#define FE_TONEAREST  0
+#define FE_DOWNWARD   0x800000
+#define FE_UPWARD     0x400000
+#define FE_TOWARDZERO 0xc00000

srcpkgs/python-numpy/files/fenv-constants.patch

@@ -0,0 +1,11 @@
+--- numpy/core/src/npymath/ieee754.c.src	2020-09-20 14:53:51.998825328 +1000
++++ numpy/core/src/npymath/ieee754.c.src	2020-09-20 14:54:03.611889518 +1000
+@@ -8,6 +8,8 @@
+ #include "npy_math_private.h"
+ #include "numpy/utils.h"
+ 
++#include "fenv-constants.h"
++
+ #ifndef HAVE_COPYSIGN
+ double npy_copysign(double x, double y)
+ {

srcpkgs/python-numpy/template

@@ -4,7 +4,6 @@ version=1.16.5
 revision=1
 wrksrc="numpy-${version}"
 build_style=python2-module
-pycompile_module="numpy"
 hostmakedepends="python-setuptools python-Cython gcc-fortran"
 makedepends="python-devel lapack-devel cblas-devel"
 short_desc="Fast and sophisticated array facility to Python2"
@@ -15,6 +14,19 @@ distfiles="https://github.com/numpy/numpy/archive/v${version}.tar.gz"
 checksum=3c82a9b8616e3096a79a2af9c288d8ed4013a10fc7baf3eaf54655309734dadd
 alternatives="numpy:f2py:/usr/bin/f2py2"
 
+post_patch() {
+	case "${XBPS_TARGET_MACHINE}" in
+		armv5tel-musl)
+			cp "${FILESDIR}/fenv-constants.h" numpy/core/src/npymath/
+			patch -Np0 -i "${FILESDIR}/fenv-constants.patch"
+			;;
+	esac
+}
+
+pre_build() {
+	make_build_args+=" ${makejobs}"
+}
+
 post_install() {
 	# create compat symlinks for .h files
 	vmkdir ${py2_inc}