Cache downloads

external/external_build.cmake

@@ -2,6 +2,7 @@ include(FindOpenMP)
 
 OPTION(ENABLE_OPENMP "Set to Yes if Healpix and/or you need openMP" OFF)
 
+SET(SOURCE_PREFIX ${CMAKE_SOURCE_DIR})
 SET(FFTW_URL "http://www.fftw.org/fftw-3.3.3.tar.gz" CACHE STRING "URL to download FFTW from")
 SET(EIGEN_URL "https://gitlab.com/libeigen/eigen/-/archive/3.3.7/eigen-3.3.7.tar.bz2" CACHE STRING "URL to download Eigen from")
 SET(GENGETOPT_URL "ftp://ftp.gnu.org/gnu/gengetopt/gengetopt-2.22.5.tar.gz" CACHE STRING "URL to download gengetopt from")
@@ -12,6 +13,8 @@ SET(BOOST_URL "https://boostorg.jfrog.io/artifactory/main/release/1.82.0/source/
 SET(GSL_URL "https://ftpmirror.gnu.org/gsl/gsl-2.7.tar.gz" CACHE STRING "URL to download GSL from ")
 mark_as_advanced(FFTW_URL EIGEN_URL HDF5_URL NETCDF_URL BOOST_URL GSL_URL)
 
+file(MAKE_DIRECTORY ${SOURCE_PREFIX}/downloads)
+
 SET(all_deps)
 
 MACRO(CHECK_CHANGE_STATE VAR) 
@@ -68,6 +71,7 @@ if (ENABLE_SHARP)
   ExternalProject_Add(sharp
     URL ${CMAKE_SOURCE_DIR}/external/libsharp-8d51946.tar.gz
     PREFIX ${BUILD_PREFIX}/sharp-prefix
+    DOWNLOAD_DIR ${SOURCE_PREFIX}/downloads
     BUILD_IN_SOURCE 1 
     CONFIGURE_COMMAND
           cp -f ${CMAKE_SOURCE_DIR}/external/config.guess . &&
@@ -91,6 +95,7 @@ if (INTERNAL_HDF5)
     PREFIX ${BUILD_PREFIX}/hdf5-prefix
     URL ${HDF5_URL}
     URL_HASH MD5=30172c75e436d7f2180e274071a4ca97
+    DOWNLOAD_DIR ${SOURCE_PREFIX}/downloads
     CMAKE_ARGS
        -DCMAKE_INSTALL_PREFIX=${EXT_INSTALL}
        -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
@@ -177,6 +182,7 @@ if (INTERNAL_NETCDF)
   ExternalProject_Add(netcdf
     DEPENDS ${hdf5_built}
     PREFIX ${BUILD_PREFIX}/netcdf-prefix
+    DOWNLOAD_DIR ${SOURCE_PREFIX}/downloads
     URL ${NETCDF_URL}
   LIST_SEPARATOR |
 	CMAKE_ARGS
@@ -244,6 +250,7 @@ if (INTERNAL_BOOST)
   ExternalProject_Add(boost
     URL ${BOOST_URL}
     PREFIX ${BUILD_PREFIX}/boost-prefix
+    DOWNLOAD_DIR ${SOURCE_PREFIX}/downloads
     URL_HASH MD5=f7050f554a65f6a42ece221eaeec1660
     CONFIGURE_COMMAND 
            ${BOOST_SOURCE_DIR}/bootstrap.sh --prefix=${CMAKE_BINARY_DIR}/ext_build/boost
@@ -287,6 +294,7 @@ IF(INTERNAL_GSL)
   ExternalProject_Add(gsl
     URL ${GSL_URL}
     PREFIX ${BUILD_PREFIX}/gsl-prefix
+    DOWNLOAD_DIR ${SOURCE_PREFIX}/downloads
     CONFIGURE_COMMAND ${GSL_SOURCE_DIR}/configure
            --prefix=${EXT_INSTALL} --disable-shared
            --with-pic
@@ -339,6 +347,7 @@ IF(INTERNAL_FFTW)
   ExternalProject_Add(fftw
      URL ${FFTW_URL}
      PREFIX ${BUILD_PREFIX}/fftw-prefix
+    DOWNLOAD_DIR ${SOURCE_PREFIX}/downloads
      CONFIGURE_COMMAND 
            ${FFTW_SOURCE}/configure
                  --prefix=${EXT_INSTALL}
@@ -368,6 +377,7 @@ IF (INTERNAL_EIGEN)
   ExternalProject_Add(eigen
      URL ${EIGEN_URL}
      URL_HASH MD5=b9e98a200d2455f06db9c661c5610496
+    DOWNLOAD_DIR ${SOURCE_PREFIX}/downloads
      PREFIX ${BUILD_PREFIX}/eigen-prefix
      CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${EXT_INSTALL}
        -DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}
@@ -400,6 +410,7 @@ SET(cosmotool_DEPS ${cosmotool_DEPS} omptl)
 SET(OMPTL_BUILD_DIR ${BUILD_PREFIX}/omptl-prefix/src/omptl)
 ExternalProject_Add(omptl
   PREFIX ${BUILD_PREFIX}/omptl-prefix
+  DOWNLOAD_DIR ${SOURCE_PREFIX}/downloads
   URL ${CMAKE_SOURCE_DIR}/external/omptl-20120422.tar.bz2
   CONFIGURE_COMMAND echo "No configure"
   BUILD_COMMAND echo "No build"