Show guidance if the framework is not found
Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 154c84a..174a99f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -277,6 +277,9 @@
set(CMAKE_INSTALL_LIBDIR "${LIB_INSTALL_DIR}")
endif()
+if (NOT EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/framework/CMakeLists.txt")
+ message(FATAL_ERROR "${CMAKE_CURRENT_SOURCE_DIR}/framework/CMakeLists.txt not found. Run `git submodule update --init` from the source tree to fetch the submodule contents.")
+endif()
add_subdirectory(framework)
add_subdirectory(include)
diff --git a/library/Makefile b/library/Makefile
index 67f91f6..2f42124 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -2,6 +2,14 @@
MBEDTLS_PATH := ..
endif
+ifeq (,$(wildcard $(MBEDTLS_PATH)/framework/exported.make))
+define error_message
+$(MBEDTLS_PATH)/framework/exported.make not found.
+Run `git submodule update --init` to fetch the submodule contents.
+This is a fatal error
+endef
+$(error $(error_message))
+endif
include $(MBEDTLS_PATH)/framework/exported.make
# Also see "include/mbedtls/mbedtls_config.h"
diff --git a/scripts/common.make b/scripts/common.make
index 2da58d0..9908a3c 100644
--- a/scripts/common.make
+++ b/scripts/common.make
@@ -4,6 +4,16 @@
MBEDTLS_PATH := ..
endif
+ifeq (,$(wildcard $(MBEDTLS_PATH)/framework/exported.make))
+ # Use the define keyword to get a multi-line message.
+ # GNU make appends ". Stop.", so tweak the ending of our message accordingly.
+ define error_message
+$(MBEDTLS_PATH)/framework/exported.make not found.
+Run `git submodule update --init` to fetch the submodule contents.
+This is a fatal error
+ endef
+ $(error $(error_message))
+endif
include $(MBEDTLS_PATH)/framework/exported.make
CFLAGS ?= -O2