Add Unix builds for gmp and mpfr, downloading and configure for cgal

deps/CGAL/CGAL.cmake

@@ -1,6 +1,9 @@
 prusaslicer_add_cmake_project(
     CGAL
     GIT_REPOSITORY https://github.com/CGAL/cgal.git
-    GIT_TAG "releases/CGAL-5.0"
+    GIT_TAG        bec70a6d52d8aacb0b3d82a7b4edc3caa899184b # releases/CGAL-5.0
+    # For whatever reason, this keeps downloading forever (repeats downloads if finished)
+    # URL      https://github.com/CGAL/cgal/archive/releases/CGAL-5.0.zip
+    # URL_HASH SHA256=bd9327be903ab7ee379a8a7a0609eba0962f5078d2497cf8e13e8e1598584154
     DEPENDS dep_boost dep_GMP dep_MPFR
 )

deps/CMakeLists.txt

@@ -62,10 +62,12 @@ function(prusaslicer_add_cmake_project projectname)
         CMAKE_ARGS         
             -DCMAKE_INSTALL_PREFIX:STRING=${DESTDIR}/usr/local
             -DCMAKE_PREFIX_PATH:STRING=${DESTDIR}/usr/local
+            -DCMAKE_DEBUG_POSTFIX:STRING=d
             -DCMAKE_C_COMPILER:STRING=${CMAKE_C_COMPILER}
             -DCMAKE_CXX_COMPILER:STRING=${CMAKE_CXX_COMPILER}
             -DBUILD_SHARED_LIBS:BOOL=OFF
             ${_configs_line}
+            ${DEP_CMAKE_OPTS}
             ${P_ARGS_CMAKE_ARGS}
        ${P_ARGS_UNPARSED_ARGUMENTS}
     )
@@ -111,6 +113,10 @@ else()
     include("deps-linux.cmake")
 endif()
 
+include(GMP/GMP.cmake)
+include(MPFR/MPFR.cmake)
+include(CGAL/CGAL.cmake)
+
 if (MSVC)
 
     add_custom_target(deps ALL

deps/GMP/GMP.cmake

@@ -16,4 +16,12 @@ if (MSVC)
     
     add_custom_target(dep_GMP SOURCES ${_output})
 
+else ()
+    ExternalProject_Add(dep_GMP
+        URL  https://gmplib.org/download/gmp/gmp-6.1.2.tar.bz2
+        BUILD_IN_SOURCE ON 
+        CONFIGURE_COMMAND ./configure --enable-shared=no --enable-static=yes "--prefix=${DESTDIR}/usr/local" --with-pic
+        BUILD_COMMAND     make -j
+        INSTALL_COMMAND   make install
+    )
 endif ()

deps/MPFR/MPFR.cmake

@@ -17,4 +17,13 @@ if (MSVC)
 
     add_custom_target(dep_MPFR SOURCES ${_output})
 
+else ()
+    ExternalProject_Add(dep_MPFR
+        URL https://www.mpfr.org/mpfr-3.1.6/mpfr-3.1.6.tar.bz2
+        BUILD_IN_SOURCE ON
+        CONFIGURE_COMMAND ./configure --prefix=${DESTDIR}/usr/local --with-gmp=${DESTDIR}/usr/local --with-pic
+        BUILD_COMMAND make -j
+        INSTALL_COMMAND make install
+        DEPENDS dep_GMP
+    )
 endif ()