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Initialize CPM and fetch icm only when they are needed #2341

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Merged
ericniebler merged 1 commit into from
Oct 16, 2026
+30 −25
Merged

Initialize CPM and fetch icm only when they are needed #2341

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55 changes: 30 additions & 25 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,12 @@ endif()
# * Dependencies -------------------------------------------------------------

# Initialize CPM
rapids_cpm_init(OVERRIDE ${CMAKE_CURRENT_SOURCE_DIR}/cmake/versions.json)
if(STDEXEC_BUILD_TESTS
OR STDEXEC_ENABLE_ASIO
OR STDEXEC_ENABLE_TASKFLOW
OR STDEXEC_ENABLE_CUDA)
rapids_cpm_init(OVERRIDE ${CMAKE_CURRENT_SOURCE_DIR}/cmake/versions.json)
endif()

if(STDEXEC_BUILD_TESTS)
# Add Catch2
Expand All @@ -126,31 +131,31 @@ if(STDEXEC_BUILD_TESTS)
OPTIONS
"CMAKE_CXX_STANDARD 20"
"CATCH_CONFIG_NO_POSIX_SIGNALS ON")
endif()

# Add ICM
set(icm_VERSION 1.5.0)
# Always download it, don't attempt to do `find_package(ICM)` first
set(CPM_DOWNLOAD_icm TRUE)
rapids_cpm_find(
icm
${icm_VERSION}
CPM_ARGS
GITHUB_REPOSITORY
iboB/icm
GIT_TAG
v${icm_VERSION}
VERSION
${icm_VERSION}
PATCH_COMMAND
git
restore
--
.
&&
git
apply
${CMAKE_CURRENT_LIST_DIR}/cmake/cpm/patches/icm/regex-build-error.diff)
# Add ICM
set(icm_VERSION 1.5.0)
# Always download it, don't attempt to do `find_package(ICM)` first
set(CPM_DOWNLOAD_icm TRUE)
rapids_cpm_find(
icm
${icm_VERSION}
CPM_ARGS
GITHUB_REPOSITORY
iboB/icm
GIT_TAG
v${icm_VERSION}
VERSION
${icm_VERSION}
PATCH_COMMAND
git
restore
--
.
&&
git
apply
${CMAKE_CURRENT_LIST_DIR}/cmake/cpm/patches/icm/regex-build-error.diff)
endif()

# Ensure that we link with the threading library
set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
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