Major update to build scripts. Now use CMake for all dependencies and…

… attempted to simplify the FindNETCDF_Fortran package finder

CMakeFiles/3.27.0/CMakeCCompiler.cmake

@@ -0,0 +1,74 @@
+set(CMAKE_C_COMPILER "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang")
+set(CMAKE_C_COMPILER_ARG1 "")
+set(CMAKE_C_COMPILER_ID "AppleClang")
+set(CMAKE_C_COMPILER_VERSION "15.0.0.15000040")
+set(CMAKE_C_COMPILER_VERSION_INTERNAL "")
+set(CMAKE_C_COMPILER_WRAPPER "")
+set(CMAKE_C_STANDARD_COMPUTED_DEFAULT "17")
+set(CMAKE_C_EXTENSIONS_COMPUTED_DEFAULT "ON")
+set(CMAKE_C_COMPILE_FEATURES "c_std_90;c_function_prototypes;c_std_99;c_restrict;c_variadic_macros;c_std_11;c_static_assert;c_std_17;c_std_23")
+set(CMAKE_C90_COMPILE_FEATURES "c_std_90;c_function_prototypes")
+set(CMAKE_C99_COMPILE_FEATURES "c_std_99;c_restrict;c_variadic_macros")
+set(CMAKE_C11_COMPILE_FEATURES "c_std_11;c_static_assert")
+set(CMAKE_C17_COMPILE_FEATURES "c_std_17")
+set(CMAKE_C23_COMPILE_FEATURES "c_std_23")
+
+set(CMAKE_C_PLATFORM_ID "Darwin")
+set(CMAKE_C_SIMULATE_ID "")
+set(CMAKE_C_COMPILER_FRONTEND_VARIANT "GNU")
+set(CMAKE_C_SIMULATE_VERSION "")
+
+
+
+
+set(CMAKE_AR "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar")
+set(CMAKE_C_COMPILER_AR "")
+set(CMAKE_RANLIB "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib")
+set(CMAKE_C_COMPILER_RANLIB "")
+set(CMAKE_LINKER "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld")
+set(CMAKE_MT "")
+set(CMAKE_TAPI "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/tapi")
+set(CMAKE_COMPILER_IS_GNUCC )
+set(CMAKE_C_COMPILER_LOADED 1)
+set(CMAKE_C_COMPILER_WORKS TRUE)
+set(CMAKE_C_ABI_COMPILED TRUE)
+
+set(CMAKE_C_COMPILER_ENV_VAR "CC")
+
+set(CMAKE_C_COMPILER_ID_RUN 1)
+set(CMAKE_C_SOURCE_FILE_EXTENSIONS c;m)
+set(CMAKE_C_IGNORE_EXTENSIONS h;H;o;O;obj;OBJ;def;DEF;rc;RC)
+set(CMAKE_C_LINKER_PREFERENCE 10)
+set(CMAKE_C_LINKER_DEPFILE_SUPPORTED FALSE)
+
+# Save compiler ABI information.
+set(CMAKE_C_SIZEOF_DATA_PTR "8")
+set(CMAKE_C_COMPILER_ABI "")
+set(CMAKE_C_BYTE_ORDER "LITTLE_ENDIAN")
+set(CMAKE_C_LIBRARY_ARCHITECTURE "")
+
+if(CMAKE_C_SIZEOF_DATA_PTR)
+  set(CMAKE_SIZEOF_VOID_P "${CMAKE_C_SIZEOF_DATA_PTR}")
+endif()
+
+if(CMAKE_C_COMPILER_ABI)
+  set(CMAKE_INTERNAL_PLATFORM_ABI "${CMAKE_C_COMPILER_ABI}")
+endif()
+
+if(CMAKE_C_LIBRARY_ARCHITECTURE)
+  set(CMAKE_LIBRARY_ARCHITECTURE "")
+endif()
+
+set(CMAKE_C_CL_SHOWINCLUDES_PREFIX "")
+if(CMAKE_C_CL_SHOWINCLUDES_PREFIX)
+  set(CMAKE_CL_SHOWINCLUDES_PREFIX "${CMAKE_C_CL_SHOWINCLUDES_PREFIX}")
+endif()
+
+
+
+
+
+set(CMAKE_C_IMPLICIT_INCLUDE_DIRECTORIES "/usr/local/include;/opt/homebrew/include;/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/15.0.0/include;/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.0.sdk/usr/include;/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include")
+set(CMAKE_C_IMPLICIT_LINK_LIBRARIES "")
+set(CMAKE_C_IMPLICIT_LINK_DIRECTORIES "/usr/local/lib;/opt/homebrew/lib")
+set(CMAKE_C_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES "")

CMakeFiles/3.27.0/CMakeFortranCompiler.cmake

@@ -0,0 +1,64 @@
+set(CMAKE_Fortran_COMPILER "/opt/homebrew/bin/gfortran-12")
+set(CMAKE_Fortran_COMPILER_ARG1 "")
+set(CMAKE_Fortran_COMPILER_ID "GNU")
+set(CMAKE_Fortran_COMPILER_VERSION "12.3.0")
+set(CMAKE_Fortran_COMPILER_WRAPPER "")
+set(CMAKE_Fortran_PLATFORM_ID "")
+set(CMAKE_Fortran_SIMULATE_ID "")
+set(CMAKE_Fortran_COMPILER_FRONTEND_VARIANT "GNU")
+set(CMAKE_Fortran_SIMULATE_VERSION "")
+
+
+set(CMAKE_Fortran_COMPILER_SYSROOT "/Library/Developer/CommandLineTools/SDKs/MacOSX13.sdk/usr")
+set(CMAKE_COMPILER_SYSROOT "/Library/Developer/CommandLineTools/SDKs/MacOSX13.sdk/usr")
+
+set(CMAKE_AR "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar")
+set(CMAKE_Fortran_COMPILER_AR "/opt/homebrew/bin/gcc-ar-12")
+set(CMAKE_RANLIB "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ranlib")
+set(CMAKE_TAPI "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/tapi")
+set(CMAKE_Fortran_COMPILER_RANLIB "/opt/homebrew/bin/gcc-ranlib-12")
+set(CMAKE_COMPILER_IS_GNUG77 1)
+set(CMAKE_Fortran_COMPILER_LOADED 1)
+set(CMAKE_Fortran_COMPILER_WORKS TRUE)
+set(CMAKE_Fortran_ABI_COMPILED TRUE)
+
+set(CMAKE_Fortran_COMPILER_ENV_VAR "FC")
+
+set(CMAKE_Fortran_COMPILER_SUPPORTS_F90 1)
+
+set(CMAKE_Fortran_COMPILER_ID_RUN 1)
+set(CMAKE_Fortran_SOURCE_FILE_EXTENSIONS f;F;fpp;FPP;f77;F77;f90;F90;for;For;FOR;f95;F95;f03;F03;f08;F08)
+set(CMAKE_Fortran_IGNORE_EXTENSIONS h;H;o;O;obj;OBJ;def;DEF;rc;RC)
+set(CMAKE_Fortran_LINKER_PREFERENCE 20)
+set(CMAKE_Fortran_LINKER_DEPFILE_SUPPORTED FALSE)
+if(UNIX)
+  set(CMAKE_Fortran_OUTPUT_EXTENSION .o)
+else()
+  set(CMAKE_Fortran_OUTPUT_EXTENSION .obj)
+endif()
+
+# Save compiler ABI information.
+set(CMAKE_Fortran_SIZEOF_DATA_PTR "8")
+set(CMAKE_Fortran_COMPILER_ABI "")
+set(CMAKE_Fortran_LIBRARY_ARCHITECTURE "")
+
+if(CMAKE_Fortran_SIZEOF_DATA_PTR AND NOT CMAKE_SIZEOF_VOID_P)
+  set(CMAKE_SIZEOF_VOID_P "${CMAKE_Fortran_SIZEOF_DATA_PTR}")
+endif()
+
+if(CMAKE_Fortran_COMPILER_ABI)
+  set(CMAKE_INTERNAL_PLATFORM_ABI "${CMAKE_Fortran_COMPILER_ABI}")
+endif()
+
+if(CMAKE_Fortran_LIBRARY_ARCHITECTURE)
+  set(CMAKE_LIBRARY_ARCHITECTURE "")
+endif()
+
+
+set(CMAKE_Fortran_SYSROOT_FLAG "-isysroot")
+set(CMAKE_Fortran_OSX_DEPLOYMENT_TARGET_FLAG "-mmacosx-version-min=")
+
+set(CMAKE_Fortran_IMPLICIT_INCLUDE_DIRECTORIES "/opt/homebrew/Cellar/gcc@12/12.3.0/lib/gcc/12/gcc/aarch64-apple-darwin22/12/finclude;/usr/local/include;/opt/homebrew/include;/opt/homebrew/Cellar/gcc@12/12.3.0/lib/gcc/12/gcc/aarch64-apple-darwin22/12/include;/opt/homebrew/Cellar/gcc@12/12.3.0/lib/gcc/12/gcc/aarch64-apple-darwin22/12/include-fixed;/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX14.0.sdk/usr/include")
+set(CMAKE_Fortran_IMPLICIT_LINK_LIBRARIES "gfortran;emutls_w;gcc;quadmath;emutls_w;gcc;gcc")
+set(CMAKE_Fortran_IMPLICIT_LINK_DIRECTORIES "/usr/local/lib;/opt/homebrew/lib;/opt/homebrew/Cellar/gcc@12/12.3.0/lib/gcc/12/gcc/aarch64-apple-darwin22/12;/opt/homebrew/Cellar/gcc@12/12.3.0/lib/gcc/12/gcc;/opt/homebrew/Cellar/gcc@12/12.3.0/lib/gcc/12")
+set(CMAKE_Fortran_IMPLICIT_LINK_FRAMEWORK_DIRECTORIES "")

CMakeFiles/3.27.0/CMakeSystem.cmake

@@ -0,0 +1,15 @@
+set(CMAKE_HOST_SYSTEM "Darwin-22.6.0")
+set(CMAKE_HOST_SYSTEM_NAME "Darwin")
+set(CMAKE_HOST_SYSTEM_VERSION "22.6.0")
+set(CMAKE_HOST_SYSTEM_PROCESSOR "arm64")
+
+
+
+set(CMAKE_SYSTEM "Darwin-22.6.0")
+set(CMAKE_SYSTEM_NAME "Darwin")
+set(CMAKE_SYSTEM_VERSION "22.6.0")
+set(CMAKE_SYSTEM_PROCESSOR "arm64")
+
+set(CMAKE_CROSSCOMPILING "FALSE")
+
+set(CMAKE_SYSTEM_LOADED 1)

CMakeLists.txt

@@ -66,14 +66,7 @@ IF(PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
   MESSAGE(FATAL_ERROR "In-source builds not allowed. Please make a new directory (called a build directory) and run CMake from there.\n")
 ENDIF()
 
-IF (CMAKE_SYSTEM_NAME STREQUAL "Windows")
-   FILE(GLOB LIBDIRS "C:/Program Files*/NC4F")
-   LIST(SORT LIBDIRS)
-   LIST(GET LIBDIRS -1 LIBPREFIX)
-   SET(netCDF-Fortran_DIR "${LIBPREFIX}/lib/cmake/netCDF" CACHE PATH "Location of provided netCDF-FortranConfig.cmake file")
-ENDIF ()
-MESSAGE(STATUS "Looking for netCDF-FortranConfig.cmake in ${netCDF-Fortran_DIR}")
-FIND_PACKAGE(netCDF-Fortran REQUIRED)
+FIND_PACKAGE(NETCDF_Fortran REQUIRED)
 FIND_PACKAGE(HDF5 COMPONENTS C HL REQUIRED)
 
 # Ensure scikit-build modules

buildscripts/build_dependencies.sh

@@ -16,30 +16,34 @@ SCRIPT_DIR=$(realpath $(dirname $0))
 set -a
 ARGS=$@
 . ${SCRIPT_DIR}/_build_getopts.sh ${ARGS}
-NPROC=$(nproc)
-
+set -e
 cd $ROOT_DIR
-NINJA_VER="1.11.1"
 
-printf "*********************************************************\n"
-printf "*             FETCHING NINJA SOURCE                      *\n"
-printf "*********************************************************\n"
-printf "Copying files to ${DEPENDENCY_DIR}\n"
-mkdir -p ${DEPENDENCY_DIR}
-if [ ! -d ${DEPENDENCY_DIR}/ninja-${NINJA_VER} ]; then
-    [ -d ${DEPENDENCY_DIR}/zlib-* ] && rm -rf ${DEPENDENCY_DIR}/zlib-*
-    curl -L https://github.com/ninja-build/ninja/archive/refs/tags/v${NINJA_VER}.tar.gz | tar xvz -C ${DEPENDENCY_DIR}
-fi
-cd ${DEPENDENCY_DIR}/ninja-*
-cmake -B build -S . -DCMAKE_INSTALL_PREFIX=${PREFIX}
-cmake --build build 
-if [ -w ${PREFIX} ]; then
-    cmake --install build 
-else
-    sudo cmake --install build
+if ! command -v ninja &> /dev/null; then
+    NINJA_VER="1.11.1"
+
+    printf "*********************************************************\n"
+    printf "*             FETCHING NINJA SOURCE                      *\n"
+    printf "*********************************************************\n"
+    printf "Copying files to ${DEPENDENCY_DIR}\n"
+    mkdir -p ${DEPENDENCY_DIR}
+    if [ ! -d ${DEPENDENCY_DIR}/ninja-${NINJA_VER} ]; then
+        [ -d ${DEPENDENCY_DIR}/zlib-* ] && rm -rf ${DEPENDENCY_DIR}/zlib-*
+        curl -L https://github.com/ninja-build/ninja/archive/refs/tags/v${NINJA_VER}.tar.gz | tar xvz -C ${DEPENDENCY_DIR}
+    fi
+    cd ${DEPENDENCY_DIR}/ninja-*
+    cmake -B build -S . -DCMAKE_INSTALL_PREFIX=${PREFIX}
+    cmake --build build 
+    if [ -w ${PREFIX} ]; then
+        cmake --install build 
+    else
+        sudo cmake --install build
+    fi
 fi
 
-set -e
+NPROC=$(nproc)
+
+${SCRIPT_DIR}/build_libaec.sh ${ARGS}
 ${SCRIPT_DIR}/build_zlib.sh ${ARGS}
 ${SCRIPT_DIR}/build_hdf5.sh ${ARGS}
 ${SCRIPT_DIR}/build_netcdf-c.sh ${ARGS}

buildscripts/build_hdf5.sh

@@ -10,6 +10,12 @@
 # of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License along with Swiftest. 
 # If not, see: https://www.gnu.org/licenses. 
+
+HDF5_VER="1_14_2"
+PLUGIN_VER="1.14.0"
+ZLIB_VER="1.3"
+AEC_VER="1.0.6"
+
 SCRIPT_DIR=$(realpath $(dirname $0))
 set -a
 ARGS=$@
@@ -27,7 +33,6 @@ printf "Using ${OS} compilers:\nFC: ${FC}\nCC: ${CC}\nCXX: ${CXX}\n"
 printf "Installing to ${PREFIX}\n"
 printf "\n"
 
-HDF5_VER="1_14_2"
 printf "*********************************************************\n"
 printf "*             FETCHING HDF5 SOURCE                      *\n"
 printf "*********************************************************\n"
@@ -63,8 +68,39 @@ printf "LDFLAGS: ${LDFLAGS}\n"
 printf "*********************************************************\n"
 
 cd ${DEPENDENCY_DIR}/hdfsrc
+ZLIB_TGZ_NAME="zlib-${ZLIB_VER}.tar.gz"
+ZLIB_TGZ_ORIGPATH="https://github.com/madler/zlib/releases/download/v${ZLIB_VER}/"
+LIBAEC_TGZ_NAME="libaec-${AEC_VER}.tar.gz"
+LIBAEC_TGZ_ORIGPATH="https://github.com/MathisRosenhauer/libaec/releases/download/v${AEC_VER}/"
+
+HDF5_ROOT="${PREFIX}/HDF_Group/HDF5/1.14.2"
 ZLIB_ROOT=${PREFIX}
-cmake -B build -S . -G Ninja  -DCMAKE_INSTALL_PREFIX=${PREFIX}
+SZIP_ROOT=${PREFIX}
+if [ $OS = "MacOSX" ]; then
+    ZLIB_LIBRARY="${ZLIB_ROOT}/lib/libz.dylib"
+    SZIP_LIBRARY="${SZIP_ROOT}/lib/libsz.dylib"
+else
+    ZLIB_LIBRARY="${ZLIB_ROOT}/lib/libz.so"
+    SZIP_LIBRARY="${SZIP_ROOT}/lib/libsz.so"
+fi
+
+cmake -B build -C ./config/cmake/cacheinit.cmake -G Ninja \
+    -DCMAKE_INSTALL_PREFIX:PATH=${HDF5_ROOT} \
+    -DHDF5_ALLOW_EXTERNAL_SUPPORT:STRING="TGZ" \
+    -DBUILD_ZLIB_WITH_FETCHCONTENT:BOOL=ON \
+    -DZLIB_USE_LOCALCONTENT:BOOL=OFF \
+    -DZLIB_TGZ_ORIGNAME:STRING="${ZLIB_TGZ_NAME}" \
+    -DZLIB_TGZ_ORIGPATH:STRING="${ZLIB_TGZ_ORIGPATH}" \
+    -DHDF5_ENABLE_SZIP_SUPPORT:BOOL=ON \
+    -DBUILD_SZIP_WITH_FETCHCONTENT:BOOL=ON \
+    -DLIBAEC_USE_LOCALCONTENT:BOOL=OFF \
+    -DLIBAEC_TGZ_ORIGNAME:STRING="${LIBAEC_TGZ_NAME}" \
+    -DLIBAEC_TGZ_ORIGPATH:STRING="${LIBAEC_TGZ_ORIGPATH}" \
+    -DHDF5_ENABLE_PLUGIN_SUPPORT:BOOL=OFF \
+    -DHDF5_BUILD_CPP_LIB:BOOL=OFF \
+    -DHDF5_BUILD_FORTRAN:BOOL=OFF \
+    -DHDF5_BUILD_JAVA:BOOL=OFF  .
+
 cmake --build build -j${NPROC}
 if [ -w ${PREFIX} ]; then
     cmake --install build 

buildscripts/build_libaec.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+# This script will build all of the dependency libraries needed by Swiftest. Builds the following from source:
+# Zlib, hdf5, netcdf-c, netcdf-fortran
+# 
+# Copyright 2023 - David Minton
+# This file is part of Swiftest.
+# Swiftest is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License 
+# as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+# Swiftest is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty 
+# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+# You should have received a copy of the GNU General Public License along with Swiftest. 
+# If not, see: https://www.gnu.org/licenses. 
+SCRIPT_DIR=$(realpath $(dirname $0))
+set -a
+ARGS=$@
+. ${SCRIPT_DIR}/_build_getopts.sh ${ARGS}
+. ${SCRIPT_DIR}/set_compilers.sh
+# Get the OpenMP Libraries
+if [ $OS = "MacOSX" ]; then
+    ${SCRIPT_DIR}/get_lomp.sh ${ARGS}
+fi
+
+printf "*********************************************************\n"
+printf "*          STARTING DEPENDENCY BUILD                    *\n"
+printf "*********************************************************\n"
+printf "Using ${OS} compilers:\nFC: ${FC}\nCC: ${CC}\nCXX: ${CXX}\n"
+printf "Installing to ${PREFIX}\n"
+printf "\n"
+
+AEC_VER="1.0.6"
+LIBAEC_TGZ_NAME="libaec-${AEC_VER}.tar.gz"
+
+printf "*********************************************************\n"
+printf "*              FETCHING AEC SOURCE                      *\n"
+printf "*********************************************************\n"
+printf "Copying files to ${DEPENDENCY_DIR}\n"
+mkdir -p ${DEPENDENCY_DIR}
+if [ ! -d ${DEPENDENCY_DIR}/aec-${ZLIB_VER} ]; then
+    [ -d ${DEPENDENCY_DIR}/aec-* ] && rm -rf ${DEPENDENCY_DIR}/aec-*
+
+    curl -L https://github.com/MathisRosenhauer/libaec/releases/download/v${AEC_VER}/${LIBAEC_TGZ_NAME}| tar xvz -C ${DEPENDENCY_DIR}
+fi
+
+printf "*********************************************************\n"
+printf "*                BUILDING AEC LIBRARY                   *\n"
+printf "*********************************************************\n"
+printf "LIBS: ${LIBS}\n"
+printf "CFLAGS: ${CFLAGS}\n"
+printf "CPPFLAGS: ${CPPFLAGS}\n"
+printf "CPATH: ${CPATH}\n"
+printf "LD_LIBRARY_PATH: ${LD_LIBRARY_PATH}\n"
+printf "LDFLAGS: ${LDFLAGS}\n"
+printf "*********************************************************\n"
+
+cd ${DEPENDENCY_DIR}/libaec-*
+mkdir build
+cd build
+cmake .. -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${PREFIX}
+cmake --build build -j${NPROC}
+if [ -w ${PREFIX} ]; then
+    make install
+else
+    sudo make install
+fi
+
+if [ $? -ne 0 ]; then
+   printf "libaec could not be compiled.\n"
+   exit 1
+fi

buildscripts/build_netcdf-c.sh

@@ -53,12 +53,25 @@ printf "HDF5_ROOT: ${HDF5_ROOT}\n"
 printf "*********************************************************\n"
 
 cd ${DEPENDENCY_DIR}/netcdf-c-*
-cmake -B build -S . -G Ninja -DCMAKE_INSTALL_PREFIX=${PREFIX}
-cmake --build build -j${NPROC}
+NCDIR="${PREFIX}"
+ZLIB_ROOT=${PREFIX}
+cmake -B build -S . -G Ninja \
+    -DCMAKE_BUILD_TYPE:STRING="Release" \
+    -DHDF5_DIR:PATH=${HDF5_ROOT}/cmake \
+    -DCMAKE_INSTALL_PREFIX:STRING="${NCDIR}" \
+    -DENABLE_DAP:BOOL=OFF \
+    -DENABLE_BYTERANGE:BOOL=OFF \
+    -DENABLE_NCZARR:BOOL=OFF \
+    -DENABLE_NCZARR_FILTERS:BOOL=OFF \
+    -DENABLE_NCZARR_FILTER_TESTING:BOOL=OFF \
+    -DENABLE_NCZARR_FILTERS_TESTING:BOOL=OFF \
+    -DENABLE_LIBXML2:BOOL=OFF \
+
+cmake --build build -j${NPROC} 
 if [ -w ${PREFIX} ]; then
-    cmake --install build
+    cmake --install build 
 else
-    sudo cmake --install build
+    sudo cmake --install build 
 fi
 
 if [ $? -ne 0 ]; then