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Diffstat (limited to 'dev-python/numpy/files/numpy-1.25.0-fix-long-double-check.patch')
| -rw-r--r-- | dev-python/numpy/files/numpy-1.25.0-fix-long-double-check.patch | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/dev-python/numpy/files/numpy-1.25.0-fix-long-double-check.patch b/dev-python/numpy/files/numpy-1.25.0-fix-long-double-check.patch deleted file mode 100644 index 4f3ef21c93b3..000000000000 --- a/dev-python/numpy/files/numpy-1.25.0-fix-long-double-check.patch +++ /dev/null @@ -1,151 +0,0 @@ -https://github.com/numpy/numpy/commit/de0b2d5c6dee9303c4a055e7591978ed5a06e403 - -From de0b2d5c6dee9303c4a055e7591978ed5a06e403 Mon Sep 17 00:00:00 2001 -From: matoro <matoro@users.noreply.github.com> -Date: Sun, 18 Jun 2023 19:39:06 -0400 -Subject: [PATCH] BLD: Port long double identification to C for meson - -This ports the old Python code for identifying the long double -representation to C, so that it can be easily invoked by meson. The -original implementation is at https://github.com/numpy/numpy/blob/eead09a3d02c09374942cdc787c0b5e4fe9e7472/numpy/core/setup_common.py#L264-L434 - -The C portion of the code has been tested and confirmed to work on -systems with the following formats, either natively or via an -alternative ABI: INTEL_EXTENDED_16_BYTES_LE, IEEE_QUAD_BE, -IEEE_QUAD_LE, IBM_DOUBLE_DOUBLE_BE, IBM_DOUBLE_DOUBLE_LE, -IEEE_DOUBLE_BE, INTEL_EXTENDED_12_BYTES_LE. - -The original meson port includes an error condition with the comment -"This should not be possible, 12 bits of "content" should still result -in sizeof() being 16." As far as I can tell this is incorrect, as -compiling on an x86_64 system with 32-bit ABI (gcc -m32) does indeed -have sizeof(long double)==12. This is reflected in the C code. - -Closes gh-23972, closes -https://github.com/mesonbuild/meson/issues/11068. ---- - numpy/core/meson.build | 110 ++++++++++++++++++++++++++++++++--------- - 1 file changed, 87 insertions(+), 23 deletions(-) - -diff --git a/numpy/core/meson.build b/numpy/core/meson.build -index 3427de408f1..92b393e4bc1 100644 ---- a/numpy/core/meson.build -+++ b/numpy/core/meson.build -@@ -361,29 +361,93 @@ foreach intrin: optional_intrinsics - endif - endforeach - --# long double representation detection (see setup_common.py) --# TODO: this is still incomplete, and different from how it's done in the --# numpy.distutils based build, see https://github.com/mesonbuild/meson/issues/11068 --longdouble_size = cc.sizeof('long double') --if longdouble_size == 8 -- if host_machine.endian() == 'little' -- longdouble_format = 'IEEE_DOUBLE_LE' -- else -- longdouble_format = 'IEEE_DOUBLE_BE' -- endif --elif longdouble_size == 12 -- error('This should not be possible, 12 bits of "content" should still result in sizeof() being 16. Please report this error!' -- ) --elif longdouble_size == 16 -- if host_machine.endian() == 'little' -- # FIXME: this varies, there's multiple formats here! Not yet implemented. -- # TBD how we deal with the mess of old long double formats. -- longdouble_format = 'INTEL_EXTENDED_16_BYTES_LE' -- else -- error('No idea what this is ....') -- endif --else -- error('Unknown long double size: ' + londouble_size) -+# This is a port of the old python code for identifying the long double -+# representation to C. The old Python code is in this range: -+# https://github.com/numpy/numpy/blob/eead09a3d02c09374942cdc787c0b5e4fe9e7472/numpy/core/setup_common.py#L264-L434 -+# This port is in service of solving gh-23972 -+# as well as https://github.com/mesonbuild/meson/issues/11068 -+longdouble_format = meson.get_compiler('c').run( -+''' -+#include <stdio.h> -+#include <string.h> -+ -+#define repcmp(z) (memcmp((const char *)&foo.x, z, sizeof(foo.x)) == 0) -+ -+const struct { -+ char before[16]; -+ long double x; -+ char after[8]; -+} foo = {{'\0'}, -123456789.0, {'\0'}}; -+ -+int main(void) { -+ switch (sizeof(foo.x)) { -+ case 8: { -+ if (repcmp( -+ ((const char[]){0000, 0000, 0000, 0124, 0064, 0157, 0235, 0301}))) { -+ fprintf(stdout, "IEEE_DOUBLE_LE"); -+ return 0; -+ } -+ if (repcmp( -+ ((const char[]){0301, 0235, 0157, 0064, 0124, 0000, 0000, 0000}))) { -+ fprintf(stdout, "IEEE_DOUBLE_BE"); -+ return 0; -+ } -+ fprintf(stdout, "UNKNOWN"); -+ return 1; -+ } -+ case 12: { -+ if (repcmp(((const char[]){0000, 0000, 0000, 0000, 0240, 0242, 0171, 0353, -+ 0031, 0300, 0000, 0000}))) { -+ fprintf(stdout, "INTEL_EXTENDED_12_BYTES_LE"); -+ return 0; -+ } -+ if (repcmp(((const char[]){0300, 0031, 0000, 0000, 0353, 0171, 0242, 0240, -+ 0000, 0000, 0000, 0000}))) { -+ fprintf(stdout, "MOTOROLA_EXTENDED_12_BYTES_BE"); -+ return 0; -+ } -+ fprintf(stdout, "UNKNOWN"); -+ return 1; -+ } -+ case 16: { -+ if (repcmp( -+ ((const char[]){0000, 0000, 0000, 0000, 0240, 0242, 0171, 0353, -+ 0031, 0300, 0000, 0000, 0000, 0000, 0000, 0000}))) { -+ fprintf(stdout, "INTEL_EXTENDED_16_BYTES_LE"); -+ return 0; -+ } -+ if (repcmp( -+ ((const char[]){0300, 0031, 0326, 0363, 0105, 0100, 0000, 0000, -+ 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000}))) { -+ fprintf(stdout, "IEEE_QUAD_BE"); -+ return 0; -+ } -+ if (repcmp( -+ ((const char[]){0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000, -+ 0000, 0000, 0100, 0105, 0363, 0326, 0031, 0300}))) { -+ fprintf(stdout, "IEEE_QUAD_LE"); -+ return 0; -+ } -+ if (repcmp( -+ ((const char[]){0000, 0000, 0000, 0124, 0064, 0157, 0235, 0301, -+ 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000}))) { -+ fprintf(stdout, "IBM_DOUBLE_DOUBLE_LE"); -+ return 0; -+ } -+ if (repcmp( -+ ((const char[]){0301, 0235, 0157, 0064, 0124, 0000, 0000, 0000, -+ 0000, 0000, 0000, 0000, 0000, 0000, 0000, 0000}))) { -+ fprintf(stdout, "IBM_DOUBLE_DOUBLE_BE"); -+ return 0; -+ } -+ fprintf(stdout, "UNKNOWN"); -+ return 1; -+ } -+ } -+} -+''').stdout() -+if longdouble_format == 'UNKNOWN' or longdouble_format == 'UNDEFINED' -+ error('Unknown long double format of size: ' + cc.sizeof('long double').to_string()) - endif - cdata.set10('HAVE_LDOUBLE_' + longdouble_format, true) - - |