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SPEX: Automatically check for dependencies when importing target #413

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merged 2 commits into from
Oct 17, 2023
Merged

SPEX: Automatically check for dependencies when importing target #413

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SPEX: Automatically check for dependencies when importing target
mmuetzel Sep 17, 2023
a42caa8
Example: Don't look for transient targets GMP and MPFR explicitly
mmuetzel Sep 17, 2023
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3 changes: 1 addition & 2 deletions Example/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -89,8 +89,7 @@ endif ( )

# look for all external libaries:
find_package ( OpenMP REQUIRED )
find_package ( GMP 6.1.2 REQUIRED )
find_package ( MPFR 4.0.2 REQUIRED )

include ( SuiteSparseBLAS )

#-------------------------------------------------------------------------------
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63 changes: 63 additions & 0 deletions SPEX/Config/SPEXConfig.cmake.in
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Expand Up @@ -35,6 +35,69 @@ set ( SPEX_VERSION_MINOR @SPEX_VERSION_MINOR@ )
set ( SPEX_VERSION_PATCH @SPEX_VERSION_SUB@ )
set ( SPEX_VERSION "@SPEX_VERSION_MAJOR@.@SPEX_VERSION_MINOR@.@SPEX_VERSION_SUB@" )

# Check for dependent targets
include ( CMakeFindDependencyMacro )

# Look for SuiteSparse_config, AMD and COLAMD targets
if ( @SUITESPARSE_IN_BUILD_TREE@ )
if ( NOT TARGET SuiteSparse::SuiteSparseConfig )
# First check in a common build tree
find_dependency ( SuiteSparse_config @SUITESPARSE_CONFIG_VERSION_MAJOR@.@SUITESPARSE_CONFIG_VERSION_MINOR@
PATHS ${CMAKE_SOURCE_DIR}/../SuiteSparse_config/build NO_DEFAULT_PATH )
# Then, check in the currently active CMAKE_MODULE_PATH
if ( NOT SuiteSparse_config_FOUND )
find_dependency ( SuiteSparse_config @SUITESPARSE_CONFIG_VERSION_MAJOR@.@SUITESPARSE_CONFIG_VERSION_MINOR@ )
endif ( )
endif ( )

if ( NOT TARGET SuiteSparse::AMD )
# First check in a common build tree
find_dependency ( AMD @AMD_VERSION_MAJOR@.@AMD_VERSION_MINOR@
PATHS ${CMAKE_SOURCE_DIR}/../AMD/build NO_DEFAULT_PATH )
# Then, check in the currently active CMAKE_MODULE_PATH
if ( NOT AMD_FOUND )
find_dependency ( AMD @AMD_VERSION_MAJOR@.@AMD_VERSION_MINOR@ )
endif ( )
endif ( )

if ( NOT TARGET SuiteSparse::COLAMD )
# First check in a common build tree
find_dependency ( COLAMD @COLAMD_VERSION_MAJOR@.@COLAMD_VERSION_MINOR@
PATHS ${CMAKE_SOURCE_DIR}/../COLAMD/build NO_DEFAULT_PATH )
# Then, check in the currently active CMAKE_MODULE_PATH
if ( NOT COLAMD_FOUND )
find_dependency ( COLAMD @COLAMD_VERSION_MAJOR@.@COLAMD_VERSION_MINOR@ )
endif ( )
endif ( )

else ( )
if ( NOT TARGET SuiteSparse::SuiteSparseConfig )
find_dependency ( SuiteSparse_config @SUITESPARSE_CONFIG_VERSION_MAJOR@.@SUITESPARSE_CONFIG_VERSION_MINOR@ )
endif ( )
if ( NOT TARGET SuiteSparse::AMD )
find_dependency ( AMD @AMD_VERSION_MAJOR@.@AMD_VERSION_MINOR@ )
endif ( )
if ( NOT TARGET SuiteSparse::COLAMD )
find_dependency ( COLAMD @COLAMD_VERSION_MAJOR@.@COLAMD_VERSION_MINOR@ )
endif ( )
endif ( )

# Look for GMP and MPFR modules
if ( NOT GMP_FOUND )
find_dependency ( GMP 6.1.2 )
endif ( )
if ( NOT MPFR_FOUND )
find_dependency ( MPFR 4.0.2 )
endif ( )

if ( NOT SuiteSparse_config_FOUND OR NOT AMD_FOUND OR NOT COLAMD_FOUND
OR NOT GMP_FOUND OR NOT MPFR_FOUND)
set ( SPEX_FOUND OFF )
return ( )
endif ( )


# Import target
include ( ${CMAKE_CURRENT_LIST_DIR}/SPEXTargets.cmake )

# The following is only for backward compatibility with FindSPEX.
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