Add travis for arch arm64

.travis.yml

@@ -0,0 +1,53 @@
+#########################
+# project configuration #
+#########################
+
+# C++ project
+language: cpp
+
+dist: jammy
+sudo: required
+group: edge
+arch: arm64
+
+################
+# build matrix #
+################
+
+matrix:
+ include:
+ # Linux / GCC
+
+ - os: linux
+ compiler: gcc
+ env:
+ - COMPILER=g++-12
+ - CXX_STANDARD=20
+ addons:
+ apt:
+ sources: ['ubuntu-toolchain-r-test']
+ packages: ['g++-12', 'ninja-build']
+
+################
+# build script #
+################
+
+script:
+ # make sure CXX is correctly set
+ - if [[ "${COMPILER}" != "" ]]; then export CXX=${COMPILER}; fi
+ # by default, use the single-header version
+ - if [[ "${MULTIPLE_HEADERS}" == "" ]]; then export MULTIPLE_HEADERS=OFF; fi
+ # by default, use implicit conversions
+ - if [[ "${IMPLICIT_CONVERSIONS}" == "" ]]; then export IMPLICIT_CONVERSIONS=ON; fi
+
+ # append CXX_STANDARD to CMAKE_OPTIONS if required
+ - CMAKE_OPTIONS+=${CXX_STANDARD:+ -DCMAKE_CXX_STANDARD=$CXX_STANDARD -DCMAKE_CXX_STANDARD_REQUIRED=ON}
+
+ # build configuration
+ - CMAKE_OPTIONS+=" -DCMAKE_BUILD_TYPE=Debug"
+
+ # compile and execute unit tests
+ - mkdir -p build && cd build
+ - cmake .. ${CMAKE_OPTIONS} -DJSON_MultipleHeaders=${MULTIPLE_HEADERS} -DJSON_ImplicitConversions=${IMPLICIT_CONVERSIONS} -DJSON_BuildTests=On -GNinja && cmake --build .
+ - ctest --timeout 2700 -V -j
+ - cd ..