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authorMathias Preiner <mathias.preiner@gmail.com>2018-08-29 08:20:31 -0700
committerMathias Preiner <mathias.preiner@gmail.com>2018-09-22 16:30:59 -0700
commit8f311f52037a9fb6a82d062342fec4b5396173c6 (patch)
treed20966972af4872d7b30dca1de41c1fc55f2decf /cmake/FindGMP.cmake
parent7be6be7dec00579cb7eaae32bed1217d6c35ee83 (diff)
cmake: Add options for specifying install directories for dependencies.
Diffstat (limited to 'cmake/FindGMP.cmake')
-rw-r--r--cmake/FindGMP.cmake24
1 files changed, 22 insertions, 2 deletions
diff --git a/cmake/FindGMP.cmake b/cmake/FindGMP.cmake
index 2d7b9b64a..a835e2d5e 100644
--- a/cmake/FindGMP.cmake
+++ b/cmake/FindGMP.cmake
@@ -3,8 +3,28 @@
# GMP_INCLUDE_DIR - the GMP include directory
# GMP_LIBRARIES - Libraries needed to use GMP
-find_path(GMP_INCLUDE_DIR NAMES gmp.h)
-find_library(GMP_LIBRARIES NAMES gmp libgmp)
+
+# Check default location of GMP built with contrib/get-gmp.
+# If the user provides a directory we will not search the default paths and
+# fail if GMP was not found in the specified directory.
+if(NOT GMP_HOME)
+ set(GMP_HOME ${PROJECT_SOURCE_DIR}/gmp-6.1.2)
+ set(CHECK_SYSTEM_VERSION TRUE)
+endif()
+
+find_path(GMP_INCLUDE_DIR
+ NAMES gmp.h gmpxx.h
+ PATHS ${GMP_HOME}/include
+ NO_DEFAULT_PATH)
+find_library(GMP_LIBRARIES
+ NAMES gmp
+ PATHS ${GMP_HOME}/lib
+ NO_DEFAULT_PATH)
+
+if(CHECK_SYSTEM_VERSION)
+ find_path(GMP_INCLUDE_DIR NAMES gmp.h gmpxx.h)
+ find_library(GMP_LIBRARIES NAMES gmp)
+endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GMP DEFAULT_MSG GMP_INCLUDE_DIR GMP_LIBRARIES)
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