use secp ecc lib by default, with smaller precomputed table for signing

.travis.yml

@@ -4,11 +4,11 @@ os:
     - linux
 
 env:
-    - ENV="-DBUILD_TYPE=test -DUSE_UECC_LIB=ON"   TEST=yes
-    - ENV="-DBUILD_TYPE=test -DUSE_UECC_LIB=OFF"  TEST=yes
-    - ENV="-DBUILD_TYPE=firmware -DUSE_UECC_LIB=ON"  TEST=no
-    - ENV="-DBUILD_TYPE=bootloader -DUSE_UECC_LIB=ON"  TEST=no
-#    - ENV="-DBUILD_TYPE=firmware -DUSE_UECC_LIB=OFF" TEST=no # secp lib too big at the moment
+    - ENV="-DBUILD_TYPE=test -DUSE_UECC_LIB=ON"       TEST=yes
+    - ENV="-DBUILD_TYPE=test -DUSE_UECC_LIB=OFF"      TEST=yes
+    - ENV="-DBUILD_TYPE=bootloader -DUSE_UECC_LIB=ON" TEST=no # use the smaller ecc lib
+    - ENV="-DBUILD_TYPE=firmware -DUSE_UECC_LIB=OFF"  TEST=no
+#    - ENV="-DBUILD_TYPE=firmware -DUSE_UECC_LIB=ON"  TEST=no
 
 compiler:
     - clang

CMakeLists.txt

@@ -22,7 +22,11 @@ project(${MYPROJECT} C)
 #-----------------------------------------------------------------------------
 # Options for building
 
+if(BUILD_TYPE STREQUAL "bootloader")
 option(USE_UECC_LIB "Use micro ECC instead bitcoin's secp256k1 library." ON)
+else()
+option(USE_UECC_LIB "Use micro ECC instead bitcoin's secp256k1 library." OFF)
+endif()
 option(BUILD_COVERAGE "Compile with test coverage flags." OFF)
 option(BUILD_VALGRIND "Compile with debug symbols." OFF)
 option(BUILD_DOCUMENTATION "Build the Doxygen documentation." OFF)
@@ -90,6 +94,8 @@ endif()
 
 if(USE_UECC_LIB)
     add_definitions(-DECC_USE_UECC_LIB)
+else()
+    add_definitions(-DSECP256K1_BUILD=1)
 endif()