带C的Postgres导致非零退出代码
我正在尝试用C语言处理postgres数据库。我使用cmake成功导入了它，尽管当我运行任何与libpq-fe相关的代码时，比如下面的示例，我会得到非零的退出代码带C的Postgres导致非零退出代码,c,postgresql,C,Postgresql,我正在尝试用C语言处理postgres数据库。我使用cmake成功导入了它，尽管当我运行任何与libpq-fe相关的代码时，比如下面的示例，我会得到非零的退出代码 int main(int argc, char *argv[]) { printf("Before version\n"); int lib_ver = PQlibVersion(); return 0; } 以下是错误： 过程结束，退出代码为-1073741515（0xC0000135）
int main(int argc, char *argv[]) {
printf("Before version\n");
int lib_ver = PQlibVersion();
return 0;
}
cmake_minimum_required(VERSION 3.10)
project(importer C)
set(CMAKE_C_STANDARD 99)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -I${PROJECT_SOURCE_DIR}/libs/pgsql/include -L/${PROJECT_SOURCE_DIR}/libs/pgsql/lib")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -I${PROJECT_SOURCE_DIR}/libs/pgsql/include")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L${PROJECT_SOURCE_DIR}/libs/pgsql/lib")
# Next line is not required, without it given path will be checked too.
set(PostgreSQL_ROOT "${PROJECT_SOURCE_DIR}/libs/pgsql")
find_package(PostgreSQL REQUIRED)
include_directories (${PostgreSQL_INCLUDE_DIRS})
link_directories(${PostgreSQL_LIBRARY_DIRS})
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads REQUIRED)
set(SOURCES main.c)
add_executable(importer ${SOURCES})
target_link_libraries(importer PRIVATE ${PostgreSQL_LIBRARIES})
target_link_libraries(importer PRIVATE Threads::Threads)
set(SOURCE_FILES CMakeLists.txt main.c)
"C:\Program Files\JetBrains\CLion 2018.3\bin\cmake\win\bin\cmake.exe" -DCMAKE_BUILD_TYPE=Debug -G "CodeBlocks - MinGW Makefiles" C:\Users\lukas\school\ing\pdt\importer
-- The C compiler identification is GNU 8.1.0
-- Check for working C compiler: C:/Program Files/mingw-w64/x86_64-8.1.0-posix-seh-rt_v6-rev0/mingw64/bin/gcc.exe
-- Check for working C compiler: C:/Program Files/mingw-w64/x86_64-8.1.0-posix-seh-rt_v6-rev0/mingw64/bin/gcc.exe -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
CMake Warning (dev) at CMakeLists.txt:12 (find_package):
Policy CMP0074 is not set: find_package uses <PackageName>_ROOT variables.
Run "cmake --help-policy CMP0074" for policy details. Use the cmake_policy
command to set the policy and suppress this warning.
CMake variable PostgreSQL_ROOT is set to:
C:/Users/lukas/school/ing/pdt/importer/libs/pgsql
For compatibility, CMake is ignoring the variable.
This warning is for project developers. Use -Wno-dev to suppress it.
-- Found PostgreSQL: C:/Users/lukas/school/ing/pdt/importer/libs/pgsql/lib/libpq.dll (found version "12.4")
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - found
-- Found Threads: TRUE
-- Configuring done
-- Generating done
-- Build files have been written to: C:/Users/lukas/school/ing/pdt/importer/cmake-build-debug
[Finished]
“C:\Program Files\JetBrains\CLion 2018.3\bin\cmake\win\bin\cmake.exe”-DCMAKE\u BUILD\u TYPE=Debug-G”代码块-MinGW Makefiles“C:\Users\lukas\school\ing\pdt\importer”
--C编译器标识为GNU8.1.0
--检查C编译器是否工作：C:/Program Files/mingw-w64/x86_64-8.1.0-posix-seh-rt_v6-rev0/mingw64/bin/gcc.exe
--检查C编译器是否工作：C:/Program Files/mingw-w64/x86_64-8.1.0-posix-seh-rt_v6-rev0/mingw64/bin/gcc.exe--工作正常
--检测C编译器ABI信息
--检测C编译器ABI信息-完成
--检测C编译特性
--检测C编译特性-完成
CMakeLists.txt:12上的CMake警告（dev）（查找程序包）：
未设置策略CMP0074：find_包使用_根变量。
运行“cmake--帮助策略CMP0074”获取策略详细信息。使用cmake_策略
命令设置策略并抑制此警告。
CMake变量PostgreSQL\u ROOT设置为：
C:/Users/lukas/school/ing/pdt/importer/libs/pgsql
为了兼容性，CMake忽略了变量。
此警告适用于项目开发人员。使用-Wno-dev来抑制它。
--找到PostgreSQL:C:/Users/lukas/school/ing/pdt/importer/libs/pgsql/lib/libpq.dll（找到版本“12.4”）
--正在查找pthread.h
--正在查找pthread.h-找到
--正在查找pthread_create
--正在查找pthread_create-找到
--找到的线程：TRUE
--配置完成
--生成完成
--生成文件已写入：C:/Users/lukas/school/ing/pdt/importer/cmake Build debug
[已完成]
因此，您可以看到.dll就在那里。另外，当我使用WSL编译它时，它可以工作，但不能与mingw一起工作。最有可能的情况是，libpq不能在运行时动态链接，或者动态链接的版本与构建程序的版本不同。例如，如果在构建时链接到libpq的个人副本，或者在构建程序后删除或更新libpq，则可能会发生上述任何一种情况。或者，您的libpq可能有故障。或者程序失败可能是调用以前未声明的函数（
PQlibVersion（）otoolldd