Help: Dependency "libpg" not found

[taozuhong]

Platform: MSYS2 on Windows 10(10.0.19045.2604)

Found pkg-config: C:\msys\ucrt64\bin/pkg-config.EXE (1.8.0)
Run-time dependency gee-0.8 found: YES 0.20.6
Run-time dependency glib-2.0 found: YES 2.74.5
Run-time dependency gio-2.0 found: YES 2.74.5
Found CMake: C:\msys\ucrt64\bin/cmake.EXE (3.25.2)
WARNING: CMake Toolchain: Failed to determine CMake compilers state
Run-time dependency libpg found: NO (tried pkgconfig and cmake)

Providers/meson.build:113:2: ERROR: Dependency "libpg" not found, tried pkgconfig and cmake

$ pg_config
BINDIR = C:/msys/ucrt64/bin
DOCDIR = C:/msys/ucrt64/share/doc/postgresql
HTMLDIR = C:/msys/ucrt64/share/doc/postgresql
INCLUDEDIR = C:/msys/ucrt64/include
PKGINCLUDEDIR = C:/msys/ucrt64/include/POSTGR~1
INCLUDEDIR-SERVER = C:/msys/ucrt64/include/POSTGR~1/server
LIBDIR = C:/msys/ucrt64/lib
PKGLIBDIR = C:/msys/ucrt64/lib/POSTGR~1
LOCALEDIR = C:/msys/ucrt64/share/locale
MANDIR = C:/msys/ucrt64/share/man
SHAREDIR = C:/msys/ucrt64/share/POSTGR~1
SYSCONFDIR = C:/msys/ucrt64/etc/postgresql
PGXS = C:/msys/ucrt64/lib/POSTGR~1/pgxs/src/MAKEFI~1/pgxs.mk
CONFIGURE =  '--build=x86_64-w64-mingw32' '--host=x86_64-w64-mingw32' '--target=x86_64-w64-mingw32'
'--prefix=/ucrt64' '--enable-thread-safety' '--enable-integer-datetimes' '--enable-nls' '--disable-r
path' '--with-icu' '--with-ldap' '--with-libxml' '--with-libxslt' '--with-lz4' '--with-ssl=openssl'
'--with-python' '--with-zstd' '--without-perl' '--with-tcl' '--with-tclconfig=/ucrt64/lib' 'build_al
ias=x86_64-w64-mingw32' 'host_alias=x86_64-w64-mingw32' 'target_alias=x86_64-w64-mingw32' 'CC=gcc' '
CFLAGS=-march=nocona -msahf -mtune=generic -O2 -pipe -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-stron
g' 'LDFLAGS=-pipe' 'CPPFLAGS=-D__USE_MINGW_ANSI_STDIO=1' 'CXX=g++' 'CXXFLAGS=-march=nocona -msahf -m
tune=generic -O2 -pipe' 'PKG_CONFIG_PATH=/ucrt64/lib/pkgconfig:/ucrt64/share/pkgconfig' 'PYTHON=/ucr
t64/bin/python'
CC = gcc
CPPFLAGS = -D__USE_MINGW_ANSI_STDIO=1 -I../postgresql-15.1/src/include/port/win32 -ID:/a/msys64/ucrt
64/include/libxml2 -I/c/M/mingw-w64-postgresql/src/build-UCRT64/../postgresql-15.1/src/include/port/
win32 -DWIN32_STACK_RLIMIT=4194304 -DBUILDING_DLL
CFLAGS = -Wall -Wmissing-prototypes -Wpointer-arith -Wdeclaration-after-statement -Werror=vla -Wendi
f-labels -Wmissing-format-attribute -Wimplicit-fallthrough=3 -Wcast-function-type -Wformat-security
-fno-strict-aliasing -fwrapv -fexcess-precision=standard -Wno-format-truncation -Wno-stringop-trunca
tion -march=nocona -msahf -mtune=generic -O2 -pipe -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong
CFLAGS_SL =
LDFLAGS = -pipe -Wl,--allow-multiple-definition -Wl,--disable-auto-import -Wl,--as-needed
LDFLAGS_EX =
LDFLAGS_SL =
LIBS = -lpgcommon -lpgport -lintl -lzstd -llz4 -lxslt -lxml2 -lssl -lcrypto -lz -lws2_32 -lm  -lws2_32
VERSION = PostgreSQL 15.1

[QuLogic]

You have shown in your screenshot that libpq exists, but the build you are trying is looking for libpg.

[taozuhong]

Thanks you for pointing out the key, 🌹🌹🌹🌹🌹🌹🌹