diff --git a/patches/libthai.cmake b/patches/libthai.cmake
index c715680..c2168a9 100644
--- a/patches/libthai.cmake
+++ b/patches/libthai.cmake
@@ -1,6 +1,8 @@
 cmake_minimum_required(VERSION 3.22.1)
 project(libthai)
 
+include(GNUInstallDirs)
+
 set(LIBTHAI_HEADER
     "include/thai/thailib.h"
     "include/thai/thcell.h"
@@ -17,3 +19,12 @@ add_library(thai STATIC ${LIBTHAI_SOURCE})
 target_include_directories(thai PRIVATE include)
 install(TARGETS thai)
 install(FILES ${LIBTHAI_HEADER} DESTINATION include/thai)
+
+configure_file(libthai.pc.in "${CMAKE_CURRENT_BINARY_DIR}/libthai.pc" @ONLY)
+
+install(
+  FILES
+    "${CMAKE_CURRENT_BINARY_DIR}/libthai.pc"
+  DESTINATION
+    "${CMAKE_INSTALL_LIBDIR}/pkgconfig"
+)
diff --git a/patches/libthai.pc.in b/patches/libthai.pc.in
new file mode 100644
index 0000000..a0efabc
--- /dev/null
+++ b/patches/libthai.pc.in
@@ -0,0 +1,10 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+libdir=@CMAKE_INSTALL_FULL_LIBDIR@
+includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
+
+Name: libthai
+Description: Thai support library
+Version: @CMAKE_PROJECT_VERSION@
+Cflags: -I${includedir}
+Libs: -L${libdir} -lthai
diff --git a/scripts/libthai.sh b/scripts/libthai.sh
index 104d2f3..8a5f53e 100755
--- a/scripts/libthai.sh
+++ b/scripts/libthai.sh
@@ -3,6 +3,7 @@ set -e
 cd libthai
 
 cp ../patches/libthai.cmake CMakeLists.txt
+cp ../patches/libthai.pc.in .
 f5m_configure
 f5m_build
 f5m_install libthai