Simple cmake build script

.travis.yml

@@ -14,22 +14,23 @@ env:
     - FIELD=auto  BIGNUM=auto  SCALAR=auto  ENDOMORPHISM=no  STATICPRECOMPUTATION=yes  ASM=no  BUILD=check  EXTRAFLAGS=  HOST=  ECDH=no  RECOVERY=no  EXPERIMENTAL=no  JNI=no
     - GUAVA_URL=https://search.maven.org/remotecontent?filepath=com/google/guava/guava/18.0/guava-18.0.jar GUAVA_JAR=src/java/guava/guava-18.0.jar
   matrix:
-    - SCALAR=32bit    RECOVERY=yes
-    - SCALAR=32bit    FIELD=32bit       ECDH=yes  EXPERIMENTAL=yes
-    - SCALAR=64bit
-    - FIELD=64bit     RECOVERY=yes
-    - FIELD=64bit     ENDOMORPHISM=yes
-    - FIELD=64bit     ENDOMORPHISM=yes  ECDH=yes EXPERIMENTAL=yes
-    - FIELD=64bit                       ASM=x86_64
-    - FIELD=64bit     ENDOMORPHISM=yes  ASM=x86_64
-    - FIELD=32bit     ENDOMORPHISM=yes
-    - BIGNUM=no
-    - BIGNUM=no       ENDOMORPHISM=yes RECOVERY=yes EXPERIMENTAL=yes
-    - BIGNUM=no       STATICPRECOMPUTATION=no
-    - BUILD=distcheck
-    - EXTRAFLAGS=CPPFLAGS=-DDETERMINISTIC
-    - EXTRAFLAGS=CFLAGS=-O0
-    - BUILD=check-java JNI=yes ECDH=yes EXPERIMENTAL=yes
+#    - SCALAR=32bit    RECOVERY=yes
+#    - SCALAR=32bit    FIELD=32bit       ECDH=yes  EXPERIMENTAL=yes
+#    - SCALAR=64bit
+#    - FIELD=64bit     RECOVERY=yes
+#    - FIELD=64bit     ENDOMORPHISM=yes
+#    - FIELD=64bit     ENDOMORPHISM=yes  ECDH=yes EXPERIMENTAL=yes
+#    - FIELD=64bit                       ASM=x86_64
+#    - FIELD=64bit     ENDOMORPHISM=yes  ASM=x86_64
+#    - FIELD=32bit     ENDOMORPHISM=yes
+#    - BIGNUM=no
+#    - BIGNUM=no       ENDOMORPHISM=yes RECOVERY=yes EXPERIMENTAL=yes
+#    - BIGNUM=no       STATICPRECOMPUTATION=no
+#    - BUILD=distcheck
+#    - EXTRAFLAGS=CPPFLAGS=-DDETERMINISTIC
+#    - EXTRAFLAGS=CFLAGS=-O0
+#    - BUILD=check-java JNI=yes ECDH=yes EXPERIMENTAL=yes
+    - CMAKE=yes
 matrix:
   fast_finish: true
   include:
@@ -59,11 +60,18 @@ matrix:
           packages:
             - gcc-multilib
             - libgmp-dev:i386
-before_install: mkdir -p `dirname $GUAVA_JAR`
-install: if [ ! -f $GUAVA_JAR ]; then wget $GUAVA_URL -O $GUAVA_JAR; fi
-before_script: ./autogen.sh
-script:
- - if [ -n "$HOST" ]; then export USE_HOST="--host=$HOST"; fi
- - if [ "x$HOST" = "xi686-linux-gnu" ]; then export CC="$CC -m32"; fi
- - ./configure --enable-experimental=$EXPERIMENTAL --enable-endomorphism=$ENDOMORPHISM --with-field=$FIELD --with-bignum=$BIGNUM --with-scalar=$SCALAR --enable-ecmult-static-precomputation=$STATICPRECOMPUTATION --enable-module-ecdh=$ECDH --enable-module-recovery=$RECOVERY --enable-jni=$JNI $EXTRAFLAGS $USE_HOST && make -j2 $BUILD
+#before_install: mkdir -p `dirname $GUAVA_JAR`
+#install: if [ ! -f $GUAVA_JAR ]; then wget $GUAVA_URL -O $GUAVA_JAR; fi
+#before_script: if [ ! "$CMAKE" ]; ./autogen.sh; fi
+#script:
+# - if [ -n "$HOST" ]; then export USE_HOST="--host=$HOST"; fi
+# - if [ "x$HOST" = "xi686-linux-gnu" ]; then export CC="$CC -m32"; fi
+# - ./configure --enable-experimental=$EXPERIMENTAL --enable-endomorphism=$ENDOMORPHISM --with-field=$FIELD --with-bignum=$BIGNUM --with-scalar=$SCALAR --enable-ecmult-static-precomputation=$STATICPRECOMPUTATION --enable-module-ecdh=$ECDH --enable-module-recovery=$RECOVERY --enable-jni=$JNI $EXTRAFLAGS $USE_HOST && make -j2 $BUILD
 os: linux
+
+script: |
+  mkdir build
+  cd build
+  cmake ..
+  make
+

CMakeLists.txt

@@ -0,0 +1,42 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(secp256k1 LANGUAGES C)
+
+set(arch64bit OFF)
+if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+    set(arch64bit ON)
+endif()
+
+option(SECP256K1_USE_FIELD_5X52 "Use 5x52 field implementation instead of 10x26" ${arch64bit})
+
+option(SECP256K1_USE_GMP "Use GMP library instead of built-in implementations" OFF)
+
+add_subdirectory(src)
+
+
+#target_include_directories(secp256k1 PUBLIC . ./src PRIVATE ${GMP_INCLUDE_DIR})
+#target_compile_definitions(secp256k1
+#	PUBLIC -DUSE_NUM_NONE=1 -DUSE_FIELD_5X52=1 -DUSE_FIELD_INV_BUILTIN=1 -DUSE_SCALAR_4X64=1 -DUSE_SCALAR_INV_BUILTIN=1 -DHAVE___INT128=1 -DVERIFY=1
+#	PRIVATE -DENABLE_MODULE_ECDH -DENABLE_MODULE_RECOVERY -DENABLE_MODULE_SCHNORR
+#)
+#
+#add_executable(tests src/tests.c)
+#target_link_libraries(tests secp256k1)
+#
+#add_executable(bench_ecdh src/bench_ecdh.c)
+#target_link_libraries(bench_ecdh secp256k1)
+#
+#add_executable(bench_internal src/bench_internal.c)
+#target_link_libraries(bench_internal secp256k1)
+#
+#add_executable(bench_recover src/bench_recover.c)
+#target_link_libraries(bench_recover secp256k1)
+#
+#add_executable(bench_schnorr_verify src/bench_schnorr_verify.c)
+#target_link_libraries(bench_schnorr_verify secp256k1)
+#
+#add_executable(bench_sign src/bench_sign.c)
+#target_link_libraries(bench_sign secp256k1)
+#
+#add_executable(bench_verify src/bench_verify.c)
+#target_link_libraries(bench_verify secp256k1)

src/CMakeLists.txt

@@ -0,0 +1,28 @@
+include(CheckTypeSize)
+
+add_library(
+    secp256k1
+    secp256k1.c
+)
+
+target_include_directories(secp256k1 PRIVATE ${PROJECT_SOURCE_DIR})
+
+check_type_size(__int128 have_int128 BUILTIN_TYPES_ONLY)
+if(have_int128)
+    target_compile_definitions(secp256k1 PRIVATE HAVE___INT128 USE_SCALAR_4X64)
+else()
+    target_compile_definitions(secp256k1 PRIVATE USE_SCALAR_8X32)
+endif()
+
+
+if(SECP256K1_USE_GMP)
+    target_compile_definitions(secp256k1 PRIVATE USE_NUM_GMP USE_FIELD_INV_NUM USE_SCALAR_INV_NUM)
+else()
+    target_compile_definitions(secp256k1 PRIVATE USE_NUM_NONE USE_FIELD_INV_BUILTIN USE_SCALAR_INV_BUILTIN)
+endif()
+
+if(SECP256K1_USE_FIELD_5X52)
+    target_compile_definitions(secp256k1 PRIVATE USE_FIELD_5X52)
+else()
+    target_compile_definitions(secp256k1 PRIVATE USE_FIELD_10X26)
+endif()