diff --git a/cmake/Components.cmake b/cmake/Components.cmake
index 43db0f9..2057326 100644
--- a/cmake/Components.cmake
+++ b/cmake/Components.cmake
@@ -85,6 +85,10 @@ set(LIBZIP_VERSION 1.11.4)
 set(LIBZIP_HASH SHA256=8a247f57d1e3e6f6d11413b12a6f28a9d388de110adc0ec608d893180ed7097b)
 set(LIBZIP_URL https://libzip.org/download/libzip-${LIBZIP_VERSION}.tar.xz)
 
+set(PKGCONF_VERSION 3.0.7)
+set(PKGCONF_HASH SHA256=c926ff491cbd9a331a589160811bd97ab1749b4d5198a519338f2cdfabe6940a)
+set(PKGCONF_URL https://github.com/pkgconf/pkgconf/releases/download/pkgconf-${PKGCONF_VERSION}/pkgconf-${PKGCONF_VERSION}.tar.xz)
+
 # Each VitaSDK component selects both its source and its revision from the
 # command line. A local clone can be named here so that a change spanning two
 # repositories can be built before either side is published.
@@ -94,7 +98,7 @@ set(SAMPLES_REPOSITORY https://github.com/vitasdk/samples
     CACHE STRING "samples repository URL or local path")
 set(HEADERS_REPOSITORY https://github.com/vitasdk/vita-headers
     CACHE STRING "vita-headers repository URL or local path")
-set(TOOLCHAIN_REPOSITORY https://github.com/vitasdk/vita-toolchain
+set(TOOLCHAIN_REPOSITORY https://github.com/devnoname120/vita-toolchain
     CACHE STRING "vita-toolchain repository URL or local path")
 set(PTHREAD_REPOSITORY https://github.com/vitasdk/pthread-embedded
     CACHE STRING "pthread-embedded repository URL or local path")
@@ -106,7 +110,7 @@ set(VITA_MAKEPKG_REPOSITORY https://github.com/vitasdk/vita-makepkg.git
 set(NEWLIB_TAG 2e428297c0b6aefd830c5a75a7daa7e774562a42 CACHE STRING "newlib branch, commit id or tag")
 set(SAMPLES_TAG fe8fbef570f3280586c0c20157146e3faefb2181 CACHE STRING "samples branch, commit id or tag")
 set(HEADERS_TAG e66ebe90b73d1fa4cce005a5b2072cec27322544 CACHE STRING "vita-headers branch, commit id or tag")
-set(TOOLCHAIN_TAG e8bc8f70ee5d3036f1562486cbc6065b52a8d173 CACHE STRING "vita-toolchain branch, commit id or tag")
+set(TOOLCHAIN_TAG 9e3860c1617b8f55162851ff4093d3446093d8b9 CACHE STRING "vita-toolchain branch, commit id or tag")
 set(PTHREAD_TAG 11d2e5722d98c86f33c908fc47b2cf6e55205db5 CACHE STRING "pthread-embedded branch, commit id or tag")
 set(VDPM_TAG v0.1.4 CACHE STRING "vdpm branch, commit id or tag")
 set(VITA_MAKEPKG_TAG bbd1b18731cf8b6a69a18c9acdefd79a5b8c36eb CACHE STRING "vita-makepkg branch, commit id or tag")
diff --git a/cmake/ValidateSdk.cmake b/cmake/ValidateSdk.cmake
index 01791c0..dc321d7 100644
--- a/cmake/ValidateSdk.cmake
+++ b/cmake/ValidateSdk.cmake
@@ -16,6 +16,17 @@ foreach(tool IN LISTS required_tools)
     endif()
 endforeach()
 
+set(host_suffix "")
+if(HOST_SYSTEM_NAME STREQUAL "Windows")
+    set(host_suffix ".exe")
+endif()
+foreach(tool pkgconf ${TARGET_TRIPLE}-pkg-config)
+    set(path "${SDK_DIR}/bin/${tool}${host_suffix}")
+    if(NOT EXISTS "${path}")
+        message(FATAL_ERROR "Missing SDK pkg-config tool: ${path}")
+    endif()
+endforeach()
+
 set(sysroot "${SDK_DIR}/${TARGET_TRIPLE}")
 foreach(directory include lib)
     if(NOT IS_DIRECTORY "${sysroot}/${directory}")
diff --git a/cmake/recipes/BuildHostTools.cmake b/cmake/recipes/BuildHostTools.cmake
index b1a07cd..439fd7b 100644
--- a/cmake/recipes/BuildHostTools.cmake
+++ b/cmake/recipes/BuildHostTools.cmake
@@ -11,6 +11,33 @@
 # because stage 1's vdpm/vita-makepkg were built for stage 1's own host, not
 # this one.
 
+ExternalProject_Add(pkgconf
+    URL ${PKGCONF_URL}
+    URL_HASH ${PKGCONF_HASH}
+    DOWNLOAD_DIR ${DOWNLOAD_DIR}
+    DOWNLOAD_EXTRACT_TIMESTAMP TRUE
+    CONFIGURE_COMMAND ${compiler_flags} ${wrapper_command} <SOURCE_DIR>/configure
+        --build=${build_native}
+        --host=${host_native}
+        --prefix=/
+        --disable-shared
+        --enable-static
+        --disable-dependency-tracking
+        --with-system-libdir=/usr/lib
+        --with-system-includedir=/usr/include
+        CPPFLAGS=-DPKGCONFIG_IS_STATIC
+    BUILD_COMMAND ${compiler_flags} ${wrapper_command} $(MAKE) pkgconf${CMAKE_EXECUTABLE_SUFFIX}
+    INSTALL_COMMAND ${CMAKE_COMMAND} -E make_directory
+        ${CMAKE_INSTALL_PREFIX}/bin
+        ${CMAKE_INSTALL_PREFIX}/share/licenses/pkgconf
+    COMMAND ${CMAKE_COMMAND} -E copy
+        <BINARY_DIR>/pkgconf${CMAKE_EXECUTABLE_SUFFIX}
+        ${CMAKE_INSTALL_PREFIX}/bin/pkgconf${CMAKE_EXECUTABLE_SUFFIX}
+    COMMAND ${CMAKE_COMMAND} -E copy
+        <SOURCE_DIR>/COPYING
+        ${CMAKE_INSTALL_PREFIX}/share/licenses/pkgconf/COPYING
+    )
+
 set(vdpm_use_release_bundle OFF)
 if(BUILD_PACMAN_CLIENT AND (VDPM_BUNDLE OR VDPM_BUNDLE_SHA256))
     if(NOT VDPM_BUNDLE OR NOT VDPM_BUNDLE_SHA256)
diff --git a/cmake/recipes/FinalizeSdk.cmake b/cmake/recipes/FinalizeSdk.cmake
index aec562b..bc626d6 100644
--- a/cmake/recipes/FinalizeSdk.cmake
+++ b/cmake/recipes/FinalizeSdk.cmake
@@ -33,6 +33,7 @@ set(finalize_sdk_dependencies
     vita-toolchain_${target_suffix}
     binutils_${target_suffix}
     gdb_${target_suffix}
+    pkgconf
     vdpm
     vita-makepkg
     ${target_half_dependencies})
diff --git a/scripts/ci/build-host.sh b/scripts/ci/build-host.sh
index 2581ecf..d36a256 100755
--- a/scripts/ci/build-host.sh
+++ b/scripts/ci/build-host.sh
@@ -148,12 +148,12 @@ download_vdpm_bundle() {
 
 # Same-runner smoke test only; a canadian cross cannot run what it built.
 smoke_test_bootstrap() {
-	local bootstrap_archive=$1 digest install_root
+	local bootstrap_archive=$1 digest install_root probe_pc version
 	# Empty for a host that runs here directly; a launcher for one that needs
 	# it. Unquoted on purpose, so an empty prefix contributes no argument.
 	local -a run=(${2:-})
 	digest=$(awk '{print $1}' "$bootstrap_archive.sha256")
-	install_root="$PWD/bootstrap-installed"
+	install_root="$PWD/bootstrap installed"
 	# ${run[@]+...}: macOS's /bin/bash is 3.2, where expanding an empty array
 	# under set -u is an unbound-variable error -- and empty is the normal
 	# case here, for every host that runs its own binaries.
@@ -163,6 +163,31 @@ smoke_test_bootstrap() {
 	# vdpm ships pacman under libexec/vdpm, not bin/.
 	${run[@]+"${run[@]}"} "$install_root/libexec/vdpm/pacman" --version >/dev/null
 	${run[@]+"${run[@]}"} "$install_root/bin/arm-vita-eabi-gcc" --version
+	probe_pc="$install_root/arm-vita-eabi/lib/pkgconfig/vitasdk-wrapper-probe.pc"
+	mkdir -p "$(dirname "$probe_pc")"
+	cat > "$probe_pc" <<'EOF'
+prefix=${VITASDK}/arm-vita-eabi
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: vitasdk-wrapper-probe
+Description: VitaSDK pkg-config frontend smoke test
+Version: 1.0
+Libs: -L${libdir} -lprobe
+Cflags: -I${includedir}/probe
+EOF
+	version=$(VITASDK="$install_root" \
+		PKG_CONFIG_DIR=/host/pkgconfig \
+		PKG_CONFIG_PATH=/host/pkgconfig \
+		PKG_CONFIG_SYSROOT_DIR=/host \
+		PKG_CONFIG_LIBDIR=/host/pkgconfig \
+		${run[@]+"${run[@]}"} "$install_root/bin/arm-vita-eabi-pkg-config" \
+		--modversion vitasdk-wrapper-probe)
+	[[ $version == 1.0 ]] || {
+		printf 'pkg-config frontend returned version %s, expected 1.0\n' "$version" >&2
+		exit 1
+	}
 }
 
 # Builds against $stage1_dir if set, then stages outputs plus provenance.
diff --git a/scripts/ci/smoke-windows-bootstrap.ps1 b/scripts/ci/smoke-windows-bootstrap.ps1
index 4a91a8b..cf167a3 100644
--- a/scripts/ci/smoke-windows-bootstrap.ps1
+++ b/scripts/ci/smoke-windows-bootstrap.ps1
@@ -40,7 +40,7 @@ $vdpmCheckout = Join-Path $tempRoot "vdpm-bootstrap-$([guid]::NewGuid())"
 git clone --depth=1 --branch $vdpmTag https://github.com/vitasdk/vdpm.git $vdpmCheckout
 if ($LASTEXITCODE -ne 0) { throw 'failed to check out the vdpm frontend' }
 
-$installRoot = Join-Path $tempRoot "vitasdk-bootstrap-installed-$([guid]::NewGuid())"
+$installRoot = Join-Path $tempRoot "Vita SDK bootstrap installed $([guid]::NewGuid())"
 & (Join-Path $vdpmCheckout 'bootstrap-vitasdk.ps1') `
 	-ArchivePath $archive -Sha256 $digest -InstallDirectory $installRoot
 if ($LASTEXITCODE -ne 0) { throw 'bootstrap-vitasdk.ps1 failed' }
@@ -54,4 +54,64 @@ if ($LASTEXITCODE -ne 0) { throw 'pacman self-test failed' }
 & (Join-Path $installRoot 'bin/arm-vita-eabi-gcc.exe') --version
 if ($LASTEXITCODE -ne 0) { throw 'compiler self-test failed' }
 
+$pkgconf = Join-Path $installRoot 'bin/pkgconf.exe'
+$pkgConfig = Join-Path $installRoot 'bin/arm-vita-eabi-pkg-config.exe'
+foreach ($tool in @($pkgconf, $pkgConfig)) {
+	if (-not (Test-Path -PathType Leaf $tool)) {
+		throw "pkg-config tool is missing: $tool"
+	}
+}
+
+$probeDirectory = Join-Path $installRoot 'arm-vita-eabi/lib/pkgconfig'
+New-Item -ItemType Directory -Force -Path $probeDirectory | Out-Null
+$probeFile = Join-Path $probeDirectory 'vitasdk-wrapper-probe.pc'
+@'
+prefix=${VITASDK}/arm-vita-eabi
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: vitasdk-wrapper-probe
+Description: VitaSDK pkg-config frontend smoke test
+Version: 1.0
+Libs: -L${libdir} -lprobe
+Cflags: -I${includedir}/probe
+'@ | Set-Content -NoNewline -Encoding utf8 $probeFile
+
+$hostMetadata = Join-Path $tempRoot "host-pkgconfig-$([guid]::NewGuid())"
+New-Item -ItemType Directory -Path $hostMetadata | Out-Null
+@'
+Name: vitasdk-wrapper-probe
+Description: Host package that must not be selected
+Version: 9.9
+Libs: -lhost-contamination
+'@ | Set-Content -NoNewline -Encoding utf8 (Join-Path $hostMetadata 'vitasdk-wrapper-probe.pc')
+
+$env:VITASDK = Join-Path $tempRoot 'wrong sdk root'
+$env:PKG_CONFIG_DIR = $hostMetadata
+$env:PKG_CONFIG_PATH = $hostMetadata
+$env:PKG_CONFIG_SYSROOT_DIR = $hostMetadata
+$env:PKG_CONFIG_LIBDIR = $hostMetadata
+$version = (& $pkgConfig --modversion vitasdk-wrapper-probe | Out-String).Trim()
+if ($LASTEXITCODE -ne 0 -or $version -ne '1.0') {
+	throw "pkg-config frontend selected version '$version' instead of the Vita package"
+}
+
+$cmakeProject = Join-Path $tempRoot "pkgconfig-cmake-project-$([guid]::NewGuid())"
+$cmakeBuild = Join-Path $tempRoot "pkgconfig-cmake-build-$([guid]::NewGuid())"
+New-Item -ItemType Directory -Path $cmakeProject | Out-Null
+@'
+cmake_minimum_required(VERSION 3.16)
+project(vitasdk_pkgconfig_probe NONE)
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(PROBE REQUIRED IMPORTED_TARGET vitasdk-wrapper-probe)
+if(NOT PROBE_VERSION STREQUAL "1.0")
+    message(FATAL_ERROR "unexpected probe version: ${PROBE_VERSION}")
+endif()
+'@ | Set-Content -NoNewline -Encoding utf8 (Join-Path $cmakeProject 'CMakeLists.txt')
+$env:VITASDK = $installRoot
+& cmake -S $cmakeProject -B $cmakeBuild `
+	"-DCMAKE_TOOLCHAIN_FILE=$(Join-Path $installRoot 'share/vita.toolchain.cmake')"
+if ($LASTEXITCODE -ne 0) { throw 'native Windows CMake could not use the Vita pkg-config frontend' }
+
 Write-Host "Windows bootstrap smoke test passed for $windowsHost"
diff --git a/scripts/create-bootstrap-archive.sh b/scripts/create-bootstrap-archive.sh
index c0fc9c4..0f493b3 100755
--- a/scripts/create-bootstrap-archive.sh
+++ b/scripts/create-bootstrap-archive.sh
@@ -17,17 +17,20 @@ source_date_epoch=$4
 
 required=(version_info.txt etc/pacman.conf share/vdpm/THIRD_PARTY_NOTICES.md
 	share/vdpm/licenses/vdpm-LGPL-2.1.txt
-	share/vdpm/licenses/pacman-GPL-2.0.txt)
+	share/vdpm/licenses/pacman-GPL-2.0.txt
+	share/licenses/pkgconf/COPYING)
 case $host in
 	*-w64-mingw32)
 		required+=(bin/vdpm.exe bin/arm-vita-eabi-gcc.exe \
+			bin/pkgconf.exe bin/arm-vita-eabi-pkg-config.exe \
 			share/vdpm/msys/usr/bin/pacman.exe \
 			share/vdpm/msys/usr/bin/vdpm-channel.exe \
 			share/vdpm/msys/usr/bin/msys-2.0.dll \
 			share/vdpm/refresh-repositories.ps1)
 		;;
 	*)
-		required+=(bin/vdpm bin/arm-vita-eabi-gcc libexec/vdpm/pacman bin/vdpm-channel \
+		required+=(bin/vdpm bin/arm-vita-eabi-gcc bin/pkgconf \
+			bin/arm-vita-eabi-pkg-config libexec/vdpm/pacman bin/vdpm-channel \
 			bin/include/refresh-repositories.sh)
 		;;
 esac
diff --git a/scripts/validate-core-package.sh b/scripts/validate-core-package.sh
index 3b77398..b7bdfa3 100755
--- a/scripts/validate-core-package.sh
+++ b/scripts/validate-core-package.sh
@@ -56,6 +56,18 @@ if [[ $pkgname == vitasdk-core ]]; then
 		printf 'core package does not contain the Vita compiler driver\n' >&2
 		exit 1
 	}
+	if [[ $architecture == *-w64-mingw32 ]]; then
+		pkgconfig_runtime=(bin/pkgconf.exe bin/arm-vita-eabi-pkg-config.exe)
+	else
+		pkgconfig_runtime=(bin/pkgconf bin/arm-vita-eabi-pkg-config)
+	fi
+	for runtime_file in ${pkgconfig_runtime[@]+"${pkgconfig_runtime[@]}"} \
+			share/licenses/pkgconf/COPYING; do
+		grep -Fqx "$runtime_file" <<< "$archive_entries" || {
+			printf 'core package does not contain %s\n' "$runtime_file" >&2
+			exit 1
+		}
+	done
 	grep -qx 'version_info.txt' <<< "$archive_entries" || {
 		printf 'core package does not contain provenance information\n' >&2
 		exit 1
diff --git a/tests/cmake/pkgconf-sdk-validation.cmake b/tests/cmake/pkgconf-sdk-validation.cmake
new file mode 100644
index 0000000..86a7d49
--- /dev/null
+++ b/tests/cmake/pkgconf-sdk-validation.cmake
@@ -0,0 +1,49 @@
+cmake_minimum_required(VERSION 3.19)
+
+set(validate_script "${CMAKE_CURRENT_LIST_DIR}/../../cmake/ValidateSdk.cmake")
+set(required_tools gcc g++ ld as ar ranlib strip objcopy objdump readelf nm gdb)
+
+function(create_sdk_fixture root suffix)
+    file(REMOVE_RECURSE "${root}")
+    file(MAKE_DIRECTORY "${root}/bin" "${root}/arm-vita-eabi/include" "${root}/arm-vita-eabi/lib")
+    foreach(tool IN LISTS required_tools)
+        file(WRITE "${root}/bin/arm-vita-eabi-${tool}${suffix}" "")
+    endforeach()
+endfunction()
+
+function(run_validation root system_name expected_success)
+    execute_process(
+        COMMAND "${CMAKE_COMMAND}"
+            -DSDK_DIR=${root}
+            -DTARGET_TRIPLE=arm-vita-eabi
+            -DHOST_SYSTEM_NAME=${system_name}
+            -P "${validate_script}"
+        RESULT_VARIABLE result
+        OUTPUT_VARIABLE output
+        ERROR_VARIABLE error)
+    if(expected_success AND NOT result EQUAL 0)
+        message(FATAL_ERROR "${system_name} validation failed unexpectedly:\n${output}${error}")
+    endif()
+    if(NOT expected_success AND result EQUAL 0)
+        message(FATAL_ERROR "${system_name} validation accepted an SDK without the pkg-config frontend/backend")
+    endif()
+endfunction()
+
+set(test_root "${CMAKE_CURRENT_BINARY_DIR}/pkgconf-sdk-validation")
+
+set(unix_root "${test_root}/unix")
+create_sdk_fixture("${unix_root}" "")
+run_validation("${unix_root}" Linux FALSE)
+file(WRITE "${unix_root}/bin/pkgconf" "")
+file(WRITE "${unix_root}/bin/arm-vita-eabi-pkg-config" "")
+run_validation("${unix_root}" Linux TRUE)
+
+set(windows_root "${test_root}/windows")
+create_sdk_fixture("${windows_root}" ".exe")
+run_validation("${windows_root}" Windows FALSE)
+file(WRITE "${windows_root}/bin/pkgconf.exe" "")
+file(WRITE "${windows_root}/bin/arm-vita-eabi-pkg-config.exe" "")
+run_validation("${windows_root}" Windows TRUE)
+
+file(REMOVE_RECURSE "${test_root}")
+message(STATUS "pkgconf SDK validation checks passed")
diff --git a/tests/cmake/static-sdk-validation.cmake b/tests/cmake/static-sdk-validation.cmake
index 3fb2ad7..8a8804a 100644
--- a/tests/cmake/static-sdk-validation.cmake
+++ b/tests/cmake/static-sdk-validation.cmake
@@ -25,6 +25,8 @@ file(MAKE_DIRECTORY "${fixture}/bin")
 foreach(tool gcc g++ ld as ar ranlib strip objcopy objdump readelf nm gdb)
     file(WRITE "${fixture}/bin/${target_triple}-${tool}.exe" "")
 endforeach()
+file(WRITE "${fixture}/bin/pkgconf.exe" "")
+file(WRITE "${fixture}/bin/${target_triple}-pkg-config.exe" "")
 execute_process(
     COMMAND "${CMAKE_COMMAND}"
         -DSDK_DIR=${fixture}
diff --git a/tests/package/test-bootstrap-archive.sh b/tests/package/test-bootstrap-archive.sh
index 2235718..cbfaacc 100755
--- a/tests/package/test-bootstrap-archive.sh
+++ b/tests/package/test-bootstrap-archive.sh
@@ -8,8 +8,9 @@ cleanup() { rm -rf -- "$temporary_directory"; }
 trap cleanup EXIT
 
 sdk="$temporary_directory/sdk"
-mkdir -p "$sdk/bin/include" "$sdk/libexec/vdpm" "$sdk/etc" "$sdk/share/vdpm/licenses"
-for file in vdpm arm-vita-eabi-gcc vdpm-channel; do
+mkdir -p "$sdk/bin/include" "$sdk/libexec/vdpm" "$sdk/etc" \
+	"$sdk/share/vdpm/licenses" "$sdk/share/licenses/pkgconf"
+for file in vdpm arm-vita-eabi-gcc vdpm-channel pkgconf arm-vita-eabi-pkg-config; do
 	printf '%s\n' "$file" > "$sdk/bin/$file"
 done
 printf 'pacman\n' > "$sdk/libexec/vdpm/pacman"
@@ -19,6 +20,7 @@ printf 'revision\n' > "$sdk/version_info.txt"
 printf 'notices\n' > "$sdk/share/vdpm/THIRD_PARTY_NOTICES.md"
 printf 'vdpm license\n' > "$sdk/share/vdpm/licenses/vdpm-LGPL-2.1.txt"
 printf 'pacman license\n' > "$sdk/share/vdpm/licenses/pacman-GPL-2.0.txt"
+printf 'pkgconf license\n' > "$sdk/share/licenses/pkgconf/COPYING"
 
 for output in one two; do
 	"$repository_root/scripts/create-bootstrap-archive.sh" \
@@ -28,9 +30,12 @@ archive=vitasdk-bootstrap-x86_64-linux-gnu.tar.bz2
 cmp "$temporary_directory/one/$archive" "$temporary_directory/two/$archive"
 entries=$(tar -tjf "$temporary_directory/one/$archive")
 grep -qx 'vitasdk/bin/vdpm' <<< "$entries"
+grep -qx 'vitasdk/bin/pkgconf' <<< "$entries"
+grep -qx 'vitasdk/bin/arm-vita-eabi-pkg-config' <<< "$entries"
 grep -qx 'vitasdk/libexec/vdpm/pacman' <<< "$entries"
 grep -qx 'vitasdk/etc/pacman.conf' <<< "$entries"
 grep -qx 'vitasdk/version_info.txt' <<< "$entries"
 grep -qx 'vitasdk/share/vdpm/THIRD_PARTY_NOTICES.md' <<< "$entries"
+grep -qx 'vitasdk/share/licenses/pkgconf/COPYING' <<< "$entries"
 
 printf 'reproducible VitaSDK bootstrap archive contract passed\n'
diff --git a/tests/package/test-core-package.sh b/tests/package/test-core-package.sh
index 6fa785c..e00f9f3 100755
--- a/tests/package/test-core-package.sh
+++ b/tests/package/test-core-package.sh
@@ -14,12 +14,12 @@ cleanup() {
 trap cleanup EXIT
 
 mkdir -p "$sdk_root/bin/include" "$sdk_root/libexec/vdpm" "$sdk_root/arm-vita-eabi/lib" \
-	"$sdk_root/share/vdpm/licenses" "$sdk_root/etc"
+	"$sdk_root/share/vdpm/licenses" "$sdk_root/share/licenses/pkgconf" "$sdk_root/etc"
 cat > "$sdk_root/bin/arm-vita-eabi-gcc" <<'EOF'
 #!/usr/bin/env sh
 exit 0
 EOF
-for client in vdpm vdpm-channel; do
+for client in vdpm vdpm-channel pkgconf arm-vita-eabi-pkg-config; do
 	cat > "$sdk_root/bin/$client" <<'EOF'
 #!/usr/bin/env sh
 exit 0
@@ -32,7 +32,8 @@ exit 0
 EOF
 done
 chmod +x "$sdk_root/bin/arm-vita-eabi-gcc" "$sdk_root/libexec/vdpm/pacman" \
-	"$sdk_root/libexec/vdpm/pacman-conf" "$sdk_root/bin/vdpm" "$sdk_root/bin/vdpm-channel"
+	"$sdk_root/libexec/vdpm/pacman-conf" "$sdk_root/bin/vdpm" "$sdk_root/bin/vdpm-channel" \
+	"$sdk_root/bin/pkgconf" "$sdk_root/bin/arm-vita-eabi-pkg-config"
 printf 'refresh\n' > "$sdk_root/bin/include/refresh-repositories.sh"
 printf 'archive\n' > "$sdk_root/arm-vita-eabi/lib/libfixture.a"
 printf 'source=fixture\nworld vita (float-abi=hard)\n' > "$sdk_root/version_info.txt"
@@ -40,6 +41,7 @@ printf 'CARCH="vita"\n' > "$sdk_root/bin/makepkg.conf"
 printf 'notices\n' > "$sdk_root/share/vdpm/THIRD_PARTY_NOTICES.md"
 printf 'vdpm license\n' > "$sdk_root/share/vdpm/licenses/vdpm-LGPL-2.1.txt"
 printf 'pacman license\n' > "$sdk_root/share/vdpm/licenses/pacman-GPL-2.0.txt"
+printf 'pkgconf license\n' > "$sdk_root/share/licenses/pkgconf/COPYING"
 printf 'version=0.1.0\nhost=x86_64-linux-gnu\n' > "$sdk_root/share/vdpm/release-info.txt"
 printf 'stale\n' > "$sdk_root/etc/pacman.conf"
 
@@ -108,14 +110,16 @@ EOF
 
 		# The dependency is what keeps the client alive across a core upgrade,
 		# so the core must refuse to install without it.
-		if install_packages /packages/vitasdk-core-*.pkg.tar.xz 2>/dev/null; then
-			echo "the core installed without its client" >&2
-			exit 1
-		fi
-
-		install_packages /packages/vdpm-*.pkg.tar.xz /packages/vitasdk-core-*.pkg.tar.xz
-		test -x /sdk/bin/arm-vita-eabi-gcc
-		test -x /sdk/bin/vdpm
+			if install_packages /packages/vitasdk-core-*.pkg.tar.xz 2>/dev/null; then
+				echo "the core installed without its client" >&2
+				exit 1
+			fi
+
+			install_packages /packages/vdpm-*.pkg.tar.xz /packages/vitasdk-core-*.pkg.tar.xz
+			test -x /sdk/bin/arm-vita-eabi-gcc
+			test -x /sdk/bin/pkgconf
+			test -x /sdk/bin/arm-vita-eabi-pkg-config
+			test -x /sdk/bin/vdpm
 		test -f /sdk/share/vdpm/THIRD_PARTY_NOTICES.md
 		grep -qx "source=fixture" /sdk/version_info.txt
 		test ! -e /sdk/etc/pacman.conf
@@ -131,8 +135,11 @@ EOF
 # installs into usr/bin instead.
 windows_root="$temporary_root/windows-sdk"
 mkdir -p "$windows_root/bin" "$windows_root/arm-vita-eabi/lib" \
-	"$windows_root/share/vdpm/licenses" "$windows_root/share/vdpm/msys/usr/bin"
+	"$windows_root/share/vdpm/licenses" "$windows_root/share/licenses/pkgconf" \
+	"$windows_root/share/vdpm/msys/usr/bin"
 printf 'gcc\n' > "$windows_root/bin/arm-vita-eabi-gcc.exe"
+printf 'pkgconf\n' > "$windows_root/bin/pkgconf.exe"
+printf 'wrapper\n' > "$windows_root/bin/arm-vita-eabi-pkg-config.exe"
 printf 'vdpm\n' > "$windows_root/bin/vdpm.exe"
 printf 'archive\n' > "$windows_root/arm-vita-eabi/lib/libfixture.a"
 printf 'source=fixture\nworld vita (float-abi=hard)\n' > "$windows_root/version_info.txt"
@@ -141,6 +148,7 @@ printf 'notices\n' > "$windows_root/share/vdpm/THIRD_PARTY_NOTICES.md"
 printf 'refresh\n' > "$windows_root/share/vdpm/refresh-repositories.ps1"
 printf 'vdpm license\n' > "$windows_root/share/vdpm/licenses/vdpm-LGPL-2.1.txt"
 printf 'pacman license\n' > "$windows_root/share/vdpm/licenses/pacman-GPL-2.0.txt"
+printf 'pkgconf license\n' > "$windows_root/share/licenses/pkgconf/COPYING"
 printf 'version=0.1.0\nhost=x86_64-w64-mingw32\n' > "$windows_root/share/vdpm/release-info.txt"
 for runtime in pacman.exe vdpm-channel.exe msys-2.0.dll; do
 	printf '%s\n' "$runtime" > "$windows_root/share/vdpm/msys/usr/bin/$runtime"
@@ -170,6 +178,13 @@ grep -qx 'bin/arm-vita-eabi-gcc.exe' <<< "$windows_core" || {
 	printf 'the Windows core package lost the toolchain\n' >&2
 	exit 1
 }
+for path in bin/pkgconf.exe bin/arm-vita-eabi-pkg-config.exe \
+		share/licenses/pkgconf/COPYING; do
+	grep -qx "$path" <<< "$windows_core" || {
+		printf 'the Windows core package lost %s\n' "$path" >&2
+		exit 1
+	}
+done
 
 for entries in "$windows_core" "$windows_client"; do
 	grep -q '^usr/' <<< "$entries" && {