Add option to link statically with hwloc on linux

[igchor]

Description

Checklist

• Code compiles without errors locally
• All tests pass locally
• CI workflows execute properly

• CI workflows, not executed per PR (e.g. Nightly), execute properly
• New tests added, especially if they will fail without my changes
• Added/extended example(s) to cover this functionality
• Extended the README/documentation
• All newly added source files have a license
• All newly added source files are referenced in CMake files
• Logger (with debug/info/... messages) is used

[KFilipek]

@igchor
Following change allows me to compile your case without any issue:

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0c3a5e8..cf86d13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -146,7 +146,7 @@ else()
     add_custom_command(
         COMMAND
             ./configure --prefix=${hwloc_targ_BINARY_DIR} --enable-static=yes
-            --enable-shared=no --disable-libxml2 --disable-levelzero
+            --enable-shared=no --disable-libxml2 --disable-levelzero CFLAGS=-fPIC CXXFLAGS=-fPIC
         WORKING_DIRECTORY ${hwloc_targ_SOURCE_DIR}
         OUTPUT ${hwloc_targ_SOURCE_DIR}/Makefile
         DEPENDS ${hwloc_targ_SOURCE_DIR}/configure)

[igchor]

@igchor Following change allows me to compile your case without any issue:

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0c3a5e8..cf86d13 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -146,7 +146,7 @@ else()
     add_custom_command(
         COMMAND
             ./configure --prefix=${hwloc_targ_BINARY_DIR} --enable-static=yes
-            --enable-shared=no --disable-libxml2 --disable-levelzero
+            --enable-shared=no --disable-libxml2 --disable-levelzero CFLAGS=-fPIC CXXFLAGS=-fPIC
         WORKING_DIRECTORY ${hwloc_targ_SOURCE_DIR}
         OUTPUT ${hwloc_targ_SOURCE_DIR}/Makefile
         DEPENDS ${hwloc_targ_SOURCE_DIR}/configure)

Thanks, applied.

[lukaszstolarczuk]

LGTM 👍

[lukaszstolarczuk]

nit: this seems like a redundant code...?