**(venv) [xxxx@rocky4 ~]$ pip install psycopg-c**
Collecting psycopg-c
Using cached psycopg-c-3.1.9.tar.gz (538 kB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Preparing metadata (pyproject.toml) ... done
Building wheels for collected packages: psycopg-c
Building wheel for psycopg-c (pyproject.toml) ... error
error: subprocess-exited-with-error
× **Building wheel for psycopg-c (pyproject.toml) did not run successfully.
│ exit code: 1**
╰─> [29 lines of output]
running bdist_wheel
running build
running build_py
creating build
creating build/lib.linux-x86_64-cpython-39
creating build/lib.linux-x86_64-cpython-39/psycopg_c
copying psycopg_c/__init__.py -> build/lib.linux-x86_64-cpython-39/psycopg_c
copying psycopg_c/version.py -> build/lib.linux-x86_64-cpython-39/psycopg_c
copying psycopg_c/py.typed -> build/lib.linux-x86_64-cpython-39/psycopg_c
copying psycopg_c/_psycopg.pyi -> build/lib.linux-x86_64-cpython-39/psycopg_c
copying psycopg_c/pq.pxd -> build/lib.linux-x86_64-cpython-39/psycopg_c
creating build/lib.linux-x86_64-cpython-39/psycopg_c/_psycopg
copying psycopg_c/_psycopg/__init__.pxd -> build/lib.linux-x86_64-cpython-39/psycopg_c/_psycopg
copying psycopg_c/_psycopg/endian.pxd -> build/lib.linux-x86_64-cpython-39/psycopg_c/_psycopg
copying psycopg_c/_psycopg/oids.pxd -> build/lib.linux-x86_64-cpython-39/psycopg_c/_psycopg
creating build/lib.linux-x86_64-cpython-39/psycopg_c/pq
copying psycopg_c/pq/__init__.pxd -> build/lib.linux-x86_64-cpython-39/psycopg_c/pq
copying psycopg_c/pq/libpq.pxd -> build/lib.linux-x86_64-cpython-39/psycopg_c/pq
running build_ext
building 'psycopg_c._psycopg' extension
creating build/temp.linux-x86_64-cpython-39
creating build/temp.linux-x86_64-cpython-39/psycopg_c
creating build/temp.linux-x86_64-cpython-39/psycopg_c/types
gcc -Wno-unused-result -Wsign-compare -DDYNAMIC_ANNOTATIONS_ENABLED=1 -DNDEBUG -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -m64 -march=x86-64-v2 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -m64 -march=x86-64-v2 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -O2 -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fstack-protector-strong -m64 -march=x86-64-v2 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -D_GNU_SOURCE -fPIC -fwrapv -fPIC -I/usr/pgsql-15/include -I/home/vaijb/venv/include -I/usr/include/python3.9 -c psycopg_c/_psycopg.c -o build/temp.linux-x86_64-cpython-39/psycopg_c/_psycopg.o
** psycopg_c/_psycopg.c:1111:10: fatal error: pg_config.h: No such file or directory
1111 | #include "pg_config.h"
| ^~~~~~~~~~~~~
compilation terminated.
error: command '/usr/bin/gcc' failed with exit code 1
[end of output]**
note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for psycopg-c
Failed to build psycopg-c
**ERROR**: Could not build wheels for psycopg-c, which is required to install pyproject.toml-based projects
**(venv) [xxxx@rocky4 ~]$ which gcc
**
/usr/bin/gcc
**(venv) [xxxx@rocky4 ~]$ pip install --upgrade pip**
Requirement already satisfied: pip in ./venv/lib/python3.9/site-packages (23.2.1)
OS: Rocky Linux 9.2 Python 3.9.16
Adding path of pg_config and GCC but not sure why installing psycopg-c should expect pg_config.h header file.
