From eabbb5eb368df3ff606a472bd96a4a4077a214d8 Mon Sep 17 00:00:00 2001
From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Sun, 3 Nov 2013 03:34:00 +0100
Subject: Improve build system for ciphers and MACs as well

---
 src/crypto/cipher/CMakeLists.txt                 | 56 +++++++++++++++++-------
 src/crypto/cipher/aes128_ctr/CMakeLists.txt      | 20 +--------
 src/crypto/cipher/aes128_ctr/nacl/CMakeLists.txt |  6 +--
 3 files changed, 45 insertions(+), 37 deletions(-)

(limited to 'src/crypto/cipher')

diff --git a/src/crypto/cipher/CMakeLists.txt b/src/crypto/cipher/CMakeLists.txt
index 00b8560..6cf6d64 100644
--- a/src/crypto/cipher/CMakeLists.txt
+++ b/src/crypto/cipher/CMakeLists.txt
@@ -1,34 +1,58 @@
-set(CIPHERS "")
+add_library(ciphers STATIC "${CMAKE_CURRENT_BINARY_DIR}/ciphers.c")
 
-if(WITH_CIPHER_AES128_CTR)
-  list(APPEND CIPHERS aes128_ctr)
-endif(WITH_CIPHER_AES128_CTR)
+function(fastd_cipher name)
+  string(REPLACE - _ name_ "${name}")
+  string(TOUPPER "${name_}" NAME)
+
+  set(WITH_CIPHER_${NAME} TRUE CACHE BOOL "Include the ${name} cipher")
+
+  if(WITH_CIPHER_${NAME})
+    set_property(GLOBAL APPEND PROPERTY FASTD_CIPHERS ${name})
+  endif(WITH_CIPHER_${NAME})
+endfunction(fastd_cipher)
+
+
+macro(fastd_cipher_impl cipher name)
+  string(REPLACE - _ cipher_ "${cipher}")
+  string(TOUPPER "${cipher_}" CIPHER)
+
+  set_property(GLOBAL APPEND PROPERTY FASTD_CIPHER_${CIPHER}_IMPLS ${name})
+
+  fastd_module(cipher "cipher implementation" "${cipher} ${name}" ${ARGN})
+endmacro(fastd_cipher_impl)
+
+macro(fastd_cipher_impl_include_directories cipher name)
+  fastd_module_include_directories(cipher "${cipher} ${name}" ${ARGN})
+endmacro(fastd_cipher_impl_include_directories)
+
+macro(fastd_cipher_impl_link_libraries cipher name)
+  fastd_module_link_libraries(cipher "${cipher} ${name}" ${ARGN})
+endmacro(fastd_cipher_impl_link_libraries)
+
+
+add_subdirectory(aes128_ctr)
 
-set(CIPHER_SOURCES "${CMAKE_CURRENT_BINARY_DIR}/ciphers.c")
 
 set(CIPHER_DEFINITIONS "")
 set(CIPHER_IMPLS "")
 set(CIPHER_LIST "")
 
+get_property(CIPHERS GLOBAL PROPERTY FASTD_CIPHERS)
 foreach(cipher ${CIPHERS})
-  add_subdirectory(${cipher})
-
-  list(APPEND CIPHER_SOURCES ${IMPL_SOURCES})
+  string(REPLACE - _ cipher_ "${cipher}")
+  string(TOUPPER "${cipher_}" CIPHER)
 
-  set(CIPHER_LIST "${CIPHER_LIST}\n{\"${CIPHER_NAME}\", cipher_${cipher}_impls},")
-  set(CIPHER_IMPLS "${CIPHER_IMPLS}\nstatic const fastd_cipher_t *const cipher_${cipher}_impls[] = {")
+  set(CIPHER_LIST "${CIPHER_LIST}\n{\"${cipher}\", cipher_${cipher_}_impls},")
+  set(CIPHER_IMPLS "${CIPHER_IMPLS}\nstatic const fastd_cipher_t *const cipher_${cipher_}_impls[] = {")
 
+  get_property(IMPLS GLOBAL PROPERTY FASTD_CIPHER_${CIPHER}_IMPLS)
   foreach(impl ${IMPLS})
-    set(CIPHER_DEFINITIONS "${CIPHER_DEFINITIONS}\nextern const fastd_cipher_t fastd_cipher_${cipher}_${impl};")
-    set(CIPHER_IMPLS "${CIPHER_IMPLS}&fastd_cipher_${cipher}_${impl}, ")
+    set(CIPHER_DEFINITIONS "${CIPHER_DEFINITIONS}\nextern const fastd_cipher_t fastd_cipher_${cipher_}_${impl};")
+    set(CIPHER_IMPLS "${CIPHER_IMPLS}&fastd_cipher_${cipher_}_${impl}, ")
   endforeach(impl)
 
   set(CIPHER_IMPLS "${CIPHER_IMPLS}NULL};")
 
 endforeach(cipher)
 
-
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/ciphers.c.in ${CMAKE_CURRENT_BINARY_DIR}/ciphers.c)
-
-
-set(CIPHER_SOURCES "${CIPHER_SOURCES}" PARENT_SCOPE)
diff --git a/src/crypto/cipher/aes128_ctr/CMakeLists.txt b/src/crypto/cipher/aes128_ctr/CMakeLists.txt
index 6237a7c..16eeeab 100644
--- a/src/crypto/cipher/aes128_ctr/CMakeLists.txt
+++ b/src/crypto/cipher/aes128_ctr/CMakeLists.txt
@@ -1,18 +1,2 @@
-set(IMPLS "")
-
-if(WITH_CIPHER_AES128_CTR_NACL)
-  list(APPEND IMPLS nacl)
-endif(WITH_CIPHER_AES128_CTR_NACL)
-
-set(IMPL_SOURCES "")
-
-foreach(impl ${IMPLS})
-  add_subdirectory(${impl})
-
-  list(APPEND IMPL_SOURCES $<TARGET_OBJECTS:cipher_aes128_ctr_${impl}>)
-endforeach(impl)
-
-
-set(CIPHER_NAME "aes128-ctr" PARENT_SCOPE)
-set(IMPLS "${IMPLS}" PARENT_SCOPE)
-set(IMPL_SOURCES "${IMPL_SOURCES}" PARENT_SCOPE)
+fastd_cipher(aes128-ctr)
+add_subdirectory(nacl)
diff --git a/src/crypto/cipher/aes128_ctr/nacl/CMakeLists.txt b/src/crypto/cipher/aes128_ctr/nacl/CMakeLists.txt
index ab0d0e8..50e2283 100644
--- a/src/crypto/cipher/aes128_ctr/nacl/CMakeLists.txt
+++ b/src/crypto/cipher/aes128_ctr/nacl/CMakeLists.txt
@@ -1,5 +1,5 @@
-add_library(cipher_aes128_ctr_nacl OBJECT
+fastd_cipher_impl(aes128-ctr nacl
   cipher_aes128_ctr_nacl.c
 )
-set_property(TARGET cipher_aes128_ctr_nacl PROPERTY COMPILE_FLAGS "${FASTD_CFLAGS}")
-target_include_directories(cipher_aes128_ctr_nacl PRIVATE ${NACL_INCLUDE_DIRS})
+fastd_cipher_impl_include_directories(aes128-ctr nacl ${NACL_INCLUDE_DIRS})
+fastd_cipher_impl_link_libraries(aes128-ctr nacl ${NACL_LIBRARIES})
-- 
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