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https://gitlab.cern.ch/hepmc/HepMC/-/merge_requests/17
From 3b1f6ebfa2af3e56013c8f9f771baa978bfe426d Mon Sep 17 00:00:00 2001
From: Alexander Puck Neuwirth <alexander@neuwirth-informatik.de>
Date: Thu, 22 Jan 2026 11:26:12 +0100
Subject: [PATCH] fix: Policy CMP0153: The exec_program command should not be
called.
---
cmake/Modules/HepMCUseCpack.cmake | 5 +++--
cmake/Modules/HepMCVariables.cmake | 5 +++--
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/cmake/Modules/HepMCUseCpack.cmake b/cmake/Modules/HepMCUseCpack.cmake
index 49040b7..298cff0 100644
--- a/cmake/Modules/HepMCUseCpack.cmake
+++ b/cmake/Modules/HepMCUseCpack.cmake
@@ -8,9 +8,10 @@
#
FUNCTION(_My_COMPILER_DUMPVERSION _OUTPUT_VERSION)
- EXEC_PROGRAM(${CMAKE_CXX_COMPILER}
- ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
+ execute_process(
+ COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
OUTPUT_VARIABLE _my_COMPILER_VERSION
+ OUTPUT_STRIP_TRAILING_WHITESPACE
)
set( COMPILER_VERSION ${_my_COMPILER_VERSION} PARENT_SCOPE)
STRING(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
diff --git a/cmake/Modules/HepMCVariables.cmake b/cmake/Modules/HepMCVariables.cmake
index bd8b713..475310b 100644
--- a/cmake/Modules/HepMCVariables.cmake
+++ b/cmake/Modules/HepMCVariables.cmake
@@ -10,9 +10,10 @@
# so we need this for the example makefile
macro( _hepmc_fortran_compiler )
- EXEC_PROGRAM(${CMAKE_CXX_COMPILER}
- ARGS ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
+ execute_process(
+ COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_COMPILER_ARG1} -dumpversion
OUTPUT_VARIABLE _my_COMPILER_VERSION
+ OUTPUT_STRIP_TRAILING_WHITESPACE
)
STRING(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1"
_my_COMPILER_BASE_VERSION ${_my_COMPILER_VERSION})
--
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