diff --git a/cmake/platforms/LinuxAArch64.cmake b/cmake/platforms/LinuxAArch64.cmake
--- a/cmake/platforms/LinuxAArch64.cmake
+++ b/cmake/platforms/LinuxAArch64.cmake
@@ -11,6 +11,13 @@
 set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
 set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
 
+if(DEFINED ENV{CROSS_C_INCLUDE_PATH} OR DEFINED ENV{CROSS_CPLUS_INCLUDE_PATH})
+    string(REPLACE ":" ";" CMAKE_INCLUDE_PATH "$ENV{CROSS_C_INCLUDE_PATH};$ENV{CROSS_CPLUS_INCLUDE_PATH}")
+endif()
+if(DEFINED ENV{CROSS_LIBRARY_PATH})
+    string(REPLACE ":" ";" CMAKE_LIBRARY_PATH "$ENV{CROSS_LIBRARY_PATH}")
+endif()
+
 set(CMAKE_C_COMPILER_TARGET ${TOOLCHAIN_PREFIX})
 set(CMAKE_CXX_COMPILER_TARGET ${TOOLCHAIN_PREFIX})
 
@@ -28,5 +35,5 @@
 # search for headers/libs in the target environment and
 # search for programs in the build host environment
 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH)
diff --git a/cmake/platforms/LinuxARM.cmake b/cmake/platforms/LinuxARM.cmake
--- a/cmake/platforms/LinuxARM.cmake
+++ b/cmake/platforms/LinuxARM.cmake
@@ -11,6 +11,13 @@
 set(CMAKE_C_COMPILER ${TOOLCHAIN_PREFIX}-gcc)
 set(CMAKE_CXX_COMPILER ${TOOLCHAIN_PREFIX}-g++)
 
+if(DEFINED ENV{CROSS_C_INCLUDE_PATH} OR DEFINED ENV{CROSS_CPLUS_INCLUDE_PATH})
+    string(REPLACE ":" ";" CMAKE_INCLUDE_PATH "$ENV{CROSS_C_INCLUDE_PATH};$ENV{CROSS_CPLUS_INCLUDE_PATH}")
+endif()
+if(DEFINED ENV{CROSS_LIBRARY_PATH})
+    string(REPLACE ":" ";" CMAKE_LIBRARY_PATH "$ENV{CROSS_LIBRARY_PATH}")
+endif()
+
 set(CMAKE_C_COMPILER_TARGET ${TOOLCHAIN_PREFIX})
 set(CMAKE_CXX_COMPILER_TARGET ${TOOLCHAIN_PREFIX})
 
@@ -28,5 +35,5 @@
 # search for headers/libs in the target environment and
 # search for programs in the build host environment
 set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
-set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
-set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY BOTH)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH)
diff --git a/contrib/guix/libexec/build.sh b/contrib/guix/libexec/build.sh
--- a/contrib/guix/libexec/build.sh
+++ b/contrib/guix/libexec/build.sh
@@ -107,8 +107,8 @@
         CROSS_GCC_LIBS=( "${CROSS_GCC_LIB_STORE}/lib/gcc/${HOST}"/* ) # This expands to an array of directories...
         CROSS_GCC_LIB="${CROSS_GCC_LIBS[0]}" # ...we just want the first one (there should only be one)
 
-        export CROSS_CC="${CROSS_GCC_ROOT}/bin/x86_64-linux-gnu-gcc"
-        export CROSS_CXX="${CROSS_GCC_ROOT}/bin/x86_64-linux-gnu-g++"
+        export CROSS_CC="${CROSS_GCC_ROOT}/bin/${HOST}-gcc"
+        export CROSS_CXX="${CROSS_GCC_ROOT}/bin/${HOST}-g++"
         export CROSS_C_INCLUDE_PATH="${CROSS_GCC_LIB}/include:${CROSS_GCC_LIB}/include-fixed:${CROSS_GLIBC}/include:${CROSS_KERNEL}/include"
         export CROSS_CPLUS_INCLUDE_PATH="${CROSS_GCC_ROOT}/include/c++:${CROSS_GCC_ROOT}/include/c++/${HOST}:${CROSS_GCC_ROOT}/include/c++/backward:${CROSS_C_INCLUDE_PATH}"
         export CROSS_LIBRARY_PATH="${CROSS_GCC_LIB_STORE}/lib:${CROSS_GCC_LIB}:${CROSS_GLIBC}/lib:${CROSS_GLIBC_STATIC}/lib"
@@ -211,7 +211,13 @@
     *mingw*)
         CMAKE_TOOLCHAIN_FILE="/bitcoin/cmake/platforms/Win64.cmake"
         ;;
-    *linux*)
+    aarch64-linux-gnu)
+        CMAKE_TOOLCHAIN_FILE="/bitcoin/cmake/platforms/LinuxAArch64.cmake"
+        ;;
+    arm-linux-gnueabihf)
+        CMAKE_TOOLCHAIN_FILE="/bitcoin/cmake/platforms/LinuxARM.cmake"
+        ;;
+    x86_64-linux-gnu)
         CMAKE_TOOLCHAIN_FILE="/bitcoin/cmake/platforms/Linux64.cmake"
         ;;
     *darwin*)
@@ -222,9 +228,7 @@
 mkdir -p source_package
 pushd source_package
 rm -f CMakeCache.txt
-cmake -GNinja .. \
-  -DCMAKE_TOOLCHAIN_FILE="${CMAKE_TOOLCHAIN_FILE}" \
-  -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON
+cmake -GNinja .. -DCMAKE_TOOLCHAIN_FILE="${CMAKE_TOOLCHAIN_FILE}"
 
 ninja package_source
 SOURCEDIST=$(echo bitcoin-abc-*.tar.gz)