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Python 3.7 psycopg2 - Xcode 错误“错误：命令 'gcc' 失败，退出状态为 1”

[英]Python 3.7 psycopg2 - Xcode Error “error: command 'gcc' failed with exit status 1”

 原文  2019-12-26 20:16:08  8   1    python/ xcode/ postgresql/ gcc/ psycopg2

问题描述

For a Python/ Kivy project I'm working on at the moment (using PyCharm), I set up a postgreSQL database.对于我目前正在处理的 Python/Kivy 项目（使用 PyCharm），我设置了一个 postgreSQL 数据库。 When I try to install the psycopg2 adapter using the terminal $ pip install psycopg2 I am getting the error "error: command 'gcc' failed with exit status 1".当我尝试使用终端$ pip install psycopg2安装 psycopg2 适配器时，出现错误“错误：命令‘gcc’失败，退出状态为 1”。 The only thing that worked so far was installing the Binary from PyPI $ pip install psycopg2-binary .到目前为止唯一有效的是从 PyPI $ pip install psycopg2-binary 。 For running the project in PyCharm it works fine, since I could add psycopg2 and psycopg2-binary to my interpreter.为了在 PyCharm 中运行项目，它工作正常，因为我可以将 psycopg2 和 psycopg2-binary 添加到我的解释器中。 But when I now try to run the project in Xcode and try to make it work on the iPhone simulator, the app will crash with the error no module named 'psycopg2' ( main.py: import psycopg2 ).但是，当我现在尝试在 Xcode 中运行该项目并尝试使其在 iPhone 模拟器上运行时，该应用程序将崩溃并显示错误no module named 'psycopg2' ( main.py: import psycopg2 )。 So I'll have to find a way to install psycopg2.所以我必须找到一种方法来安装 psycopg2。 Using the source code from github:使用来自github的源代码：

$ python setup.py build
$ python setup.py install

did not fix the problem - still facing the 'gcc' problem.没有解决问题 - 仍然面临“gcc”问题。

    Collecting psycopg2
  Using cached https://files.pythonhosted.org/packages/84/d7/6a93c99b5ba4d4d22daa3928b983cec66df4536ca50b22ce5dcac65e4e71/psycopg2-2.8.4.tar.gz
Building wheels for collected packages: psycopg2
  Building wheel for psycopg2 (setup.py) ... error
  ERROR: Command errored out with exit status 1:
   command: /Library/Frameworks/Python.framework/Versions/3.7/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/w6/mf79vk4n44z1p613hhv_lvmh0000gn/T/pip-install-nv_3vphc/psycopg2/setup.py'"'"'; __file__='"'"'/private/var/folders/w6/mf79vk4n44z1p613hhv_lvmh0000gn/T/pip-install-nv_3vphc/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /private/var/folders/w6/mf79vk4n44z1p613hhv_lvmh0000gn/T/pip-wheel-6js4c4d0 --python-tag cp37
       cwd: /private/var/folders/w6/mf79vk4n44z1p613hhv_lvmh0000gn/T/pip-install-nv_3vphc/psycopg2/
  Complete output (144 lines):
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.macosx-10.9-x86_64-3.7
  creating build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/_json.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/extras.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/compat.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/errorcodes.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/tz.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/_range.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/_ipaddress.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/_lru_cache.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/__init__.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/extensions.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/errors.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/sql.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  copying lib/pool.py -> build/lib.macosx-10.9-x86_64-3.7/psycopg2
  running build_ext
  building 'psycopg2._psycopg' extension
  creating build/temp.macosx-10.9-x86_64-3.7
  creating build/temp.macosx-10.9-x86_64-3.7/psycopg
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/psycopgmodule.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/psycopgmodule.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/green.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/green.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/pqpath.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/pqpath.o
  psycopg/pqpath.c:135:17: warning: implicit conversion from enumeration type 'ConnStatusType' to different enumeration type 'ExecStatusType' [-Wenum-conversion]
                  PQstatus(conn->pgconn) : PQresultStatus(*pgres)));
                  ^~~~~~~~~~~~~~~~~~~~~~
  psycopg/pqpath.c:1714:11: warning: code will never be executed [-Wunreachable-code]
      ret = 1;
            ^
  psycopg/pqpath.c:1819:17: warning: implicit conversion from enumeration type 'ConnStatusType' to different enumeration type 'ExecStatusType' [-Wenum-conversion]
                  PQstatus(curs->conn->pgconn) : PQresultStatus(curs->pgres)));
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
  3 warnings generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/utils.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/utils.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/bytes_format.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/bytes_format.o
  In file included from psycopg/bytes_format.c:81:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/libpq_support.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/libpq_support.o
  In file included from psycopg/libpq_support.c:29:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/win32_support.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/win32_support.o
  In file included from psycopg/win32_support.c:27:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/solaris_support.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/solaris_support.o
  In file included from psycopg/solaris_support.c:28:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/connection_int.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/connection_int.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/connection_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/connection_type.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/cursor_int.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/cursor_int.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/cursor_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/cursor_type.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/column_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/column_type.o
  In file included from psycopg/column_type.c:27:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/replication_connection_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/replication_connection_type.o
  In file included from psycopg/replication_connection_type.c:27:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/replication_cursor_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/replication_cursor_type.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/replication_message_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/replication_message_type.o
  In file included from psycopg/replication_message_type.c:27:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/diagnostics_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/diagnostics_type.o
  In file included from psycopg/diagnostics_type.c:27:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/error_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/error_type.o
  In file included from psycopg/error_type.c:27:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/conninfo_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/conninfo_type.o
  In file included from psycopg/conninfo_type.c:27:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/lobject_int.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/lobject_int.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/lobject_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/lobject_type.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/notify_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/notify_type.o
  In file included from psycopg/notify_type.c:27:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/xid_type.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/xid_type.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/adapter_asis.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_asis.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/adapter_binary.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_binary.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/adapter_datetime.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_datetime.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/adapter_list.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_list.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/adapter_pboolean.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_pboolean.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/adapter_pdecimal.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_pdecimal.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/adapter_pint.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_pint.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/adapter_pfloat.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_pfloat.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/adapter_qstring.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_qstring.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/microprotocols.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/microprotocols.o
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/microprotocols_proto.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/microprotocols_proto.o
  In file included from psycopg/microprotocols_proto.c:27:
  In file included from ./psycopg/psycopg.h:37:
  ./psycopg/config.h:81:13: warning: unused function 'Dprintf' [-Wunused-function]
  static void Dprintf(const char *fmt, ...) {}
              ^
  1 warning generated.
  gcc -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch x86_64 -g -DPSYCOPG_VERSION=2.8.4 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=120001 -DHAVE_LO64=1 -I/Library/Frameworks/Python.framework/Versions/3.7/include/python3.7m -I. -I/usr/local/include -I/usr/local/include/postgresql/server -c psycopg/typecast.c -o build/temp.macosx-10.9-x86_64-3.7/psycopg/typecast.o
  gcc -bundle -undefined dynamic_lookup -arch x86_64 -g build/temp.macosx-10.9-x86_64-3.7/psycopg/psycopgmodule.o build/temp.macosx-10.9-x86_64-3.7/psycopg/green.o build/temp.macosx-10.9-x86_64-3.7/psycopg/pqpath.o build/temp.macosx-10.9-x86_64-3.7/psycopg/utils.o build/temp.macosx-10.9-x86_64-3.7/psycopg/bytes_format.o build/temp.macosx-10.9-x86_64-3.7/psycopg/libpq_support.o build/temp.macosx-10.9-x86_64-3.7/psycopg/win32_support.o build/temp.macosx-10.9-x86_64-3.7/psycopg/solaris_support.o build/temp.macosx-10.9-x86_64-3.7/psycopg/connection_int.o build/temp.macosx-10.9-x86_64-3.7/psycopg/connection_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/cursor_int.o build/temp.macosx-10.9-x86_64-3.7/psycopg/cursor_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/column_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/replication_connection_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/replication_cursor_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/replication_message_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/diagnostics_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/error_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/conninfo_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/lobject_int.o build/temp.macosx-10.9-x86_64-3.7/psycopg/lobject_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/notify_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/xid_type.o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_asis.o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_binary.o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_datetime.o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_list.o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_pboolean.o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_pdecimal.o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_pint.o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_pfloat.o build/temp.macosx-10.9-x86_64-3.7/psycopg/adapter_qstring.o build/temp.macosx-10.9-x86_64-3.7/psycopg/microprotocols.o build/temp.macosx-10.9-x86_64-3.7/psycopg/microprotocols_proto.o build/temp.macosx-10.9-x86_64-3.7/psycopg/typecast.o -L/usr/local/lib -lpq -lssl -lcrypto -o build/lib.macosx-10.9-x86_64-3.7/psycopg2/_psycopg.cpython-37m-darwin.so
  ld: library not found for -lssl
  clang: error: linker command failed with exit code 1 (use -v to see invocation)
  error: command 'gcc' failed with exit status 1
  ----------------------------------------
  ERROR: Failed building wheel for psycopg2

I tried to fix the issue using several approaches (and some more, but these links do provide the main approaches I could find):我尝试使用几种方法来解决这个问题（还有一些，但这些链接确实提供了我能找到的主要方法）：

I am using: macOS Catalina 10.15.2 / Python 3.7.5 / postgres (PostgreSQL) 12.1我正在使用：macOS Catalina 10.15.2 / Python 3.7.5 / postgres (PostgreSQL) 12.1

I am very new to all of this and run out of ideas pretty much.我对这一切都很陌生，几乎没有任何想法。 I want to run the project on my Phone later, so just using psycopg2-binary will not be the satisfying solution.我想稍后在我的手机上运行该项目，因此仅使用 psycopg2-binary 不是令人满意的解决方案。 Thank you!谢谢！

1 个解决方案

解决方案1
 2  2019-12-29 05:12:35

I had the same problem on macOS Mojave 10.14.6 (18G2022).我在 macOS Mojave 10.14.6 (18G2022) 上遇到了同样的问题。

I installed gcc using the command.我使用命令安装了 gcc。 brew install gcc . brew install gcc 。

I then typed the following in Terminal:然后我在终端中输入以下内容：

sudo rm -rf /Library/Developer/CommandLineTools
xcode-select --install
cd /Library/Developer/CommandLineTools/Packages/
open macOS_SDK_headers_for_macOS_10.14.pkg

Source: At the bottom of this website.来源：在本网站底部。

Also when installing psycopg2, I did pip3 install psycopg2 , otherwise, it was installing it for Python 2.7.x.同样在安装 psycopg2 时，我做了pip3 install psycopg2 ，否则，它正在为 Python 2.7.x 安装它。 ( Source ) （来源）

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