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REMOVE_ITEM does not work with an empty list

This commit is contained in:
Andreas Fabri 2013-03-17 15:21:18 +01:00
parent d1d70fdce7
commit 2edb2bdfe7
1 changed files with 4 additions and 1 deletions
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5
Installation/CMakeLists.txt
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@ -524,7 +524,10 @@ set_special_prefix(Coin3D COIN3D)
# some libraries are essential (stl and Boost.Thread are treated in another way)
if("$ENV{CGAL_DISABLE_GMP}" OR CGAL_DISABLE_GMP)
list(REMOVE_ITEM CGAL_ESSENTIAL_3RD_PARTY_LIBRARIES GMP MPFR)
list(LENGTH CGAL_ESSENTIAL_3RD_PARTY_LIBRARIES CGAL_ESSENTIAL_LENGTH)
if(NOT CGAL_ESSENTIAL_LENGTH EQUAL 0)
list(REMOVE_ITEM CGAL_ESSENTIAL_3RD_PARTY_LIBRARIES GMP MPFR)
endif()
unset(CGAL_CONFIGURED_LIBRARIES)
unset(CGAL_CONFIGURED_LIBRARIES CACHE)
unset(GMP_FOUND)