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Adding FindSLEPC.cmake #38

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Adding FindSLEPC.cmake #38

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dc5191a
Create FindSLEPC.cmake
Nidish96 Aug 10, 2020
30b5879
Merge pull request #1 from Nidish96/Nidish96-FindSLEPC
Nidish96 Aug 10, 2020
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53 changes: 53 additions & 0 deletions FindSLEPC.cmake
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Original file line number Diff line number Diff line change
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#############################################################
# Try to find SLEPc #
# #
# Once done this will define: #
# SLEPC_FOUND - system has SLEPc #
# SLEPC_DIR - SLEPc directory #
# SLEPC_INCLUDES - SLEPc include directory #
# SLEPC_LIBRARIES - SLEPc library (static or dynamic)#
# #
# Usage: #
# find_package(SLEPc) #
# #
# Setting these changes the behavior of the search #
# SLEPC_DIR - SLEPc directory #
#############################################################

## Try to set SLEPC_DIR ##
##########################
if(NOT DEFINED SLEPC_DIR)
set(SLEPC_DIR $ENV{SLEPC_DIR})
endif()

if(NOT DEFINED PETSC_DIR)
set(PETSC_DIR $ENV{PETSC_DIR})
endif()

## Includes ##
##############
if(EXISTS "${SLEPC_DIR}/include" AND
EXISTS "${PETSC_DIR}/include")
set(SLEPC_INCLUDES "${SLEPC_DIR}/include")
else()
message(SEND_ERROR "SLEPc includes not found")
endif()

## Library ##
#############
if(EXISTS "${SLEPC_DIR}/lib/libslepc.so")
set(SLEPC_LIBRARIES "${SLEPC_DIR}/lib/libslepc.so")
elseif(EXISTS "${SLEPC_DIR}/lib/libslepc.a")
set(SLEPC_LIBRARIES "${SLEPC_DIR}/lib/libslepc.a")
elseif(EXISTS "${SLEPC_DIR}/lib/libslepc.dylib")
set(SLEPC_LIBRARIES "${SLEPC_DIR}/lib/libslepc.dylib")
else()
message(SEND_ERROR "SLEPc library not found")
endif()

## CMake check and done ##
##########################
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(SLEPc
"SLEPc could not be found: be sure to set SLEPC_DIR in your environment variables"
SLEPC_LIBRARIES SLEPC_INCLUDES SLEPC_DIR)