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Author: Pino Toscano <pino@debian.org>
Description: Require xtl when xsimd is found
xsimd in Debian is built with -DENABLE_XTL_COMPLEX=ON, which makes the upstream
build system require the "xtl" cmake target when using the "xsimd" cmake
target. The problem is that the cmake config bits of xsimd do not have this
requirement (due to ENABLE_XTL_COMPLEX=ON) anywhere, so simply looking for
"xsimd" in cmake to use it gives a "xsimd" target that will try to link to a
"xtl" library (since there is no "xtl" target available. To workaround this
situation, if xsimd was found, then require also xtl: this will make sure there
is a "xtl" cmake target.
.
This actually is a bug in the cmake config bits of xsimd: either setting
ENABLE_XTL_COMPLEX=ON should not persist in the installed cmake bits, or the
bits must remember ENABLE_XTL_COMPLEX=ON and require xtl.
Last-Updated: 2022-06-26
Forwarded: no
--- a/cmake/modules/Findxsimd.cmake
+++ b/cmake/modules/Findxsimd.cmake
@@ -11,6 +11,7 @@ find_package(xsimd QUIET NO_MODULE
)
if(xsimd_FOUND)
+ find_package(xtl QUIET REQUIRED)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/xsimd")
include(xsimdMacros)
xsimd_set_preferred_compiler_flags()
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