Use the /usr directory instead of /opt.

CMakeLists.txt

@@ -78,12 +78,13 @@ target_compile_definitions(ybcon PRIVATE YBCON_VERSION="${CODENAME} ${PROJECT_VE
 set(PNAME ${PROJECT_NAME}-${CODENAME}-${TIME})
 if (UNIX AND NOT MINGW)
     include(GNUInstallDirs)
-    set(CMAKE_INSTALL_PREFIX "/opt")
+    set(CMAKE_INSTALL_PREFIX "/usr")
     set(CPACK_PACKAGING_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
     set(CPACK_PACKAGE_FILE_NAME "${PNAME}_lpkg")
     set(CPACK_DEBIAN_PACKAGE_CONTROL_STRICT_PERMISSION TRUE)
-    set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA "${CMAKE_CURRENT_SOURCE_DIR}/scripts/postinst")
-    set(CPACK_RPM_POST_INSTALL_SCRIPT_FILE ${CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA})
+    configure_file("${CMAKE_CURRENT_SOURCE_DIR}/scripts/postinst" "processed/postinst" @ONLY)
+    set(CPACK_RPM_POST_INSTALL_SCRIPT_FILE  "${CMAKE_CURRENT_BINARY_DIR}/processed/postinst")
+    set(CPACK_DEBIAN_PACKAGE_CONTROL_EXTRA ${CPACK_RPM_POST_INSTALL_SCRIPT_FILE})
     set(CPACK_DEBIAN_PACKAGE_DEPENDS "libc6 (>= 2.14), libstdc++6 (>= 9)")
     set(CPACK_DEBIAN_COMPRESSION_TYPE lzma)
     set(CPACK_RPM_COMPRESSION_TYPE lzma)
@@ -110,7 +111,7 @@ if (UNIX AND NOT MINGW)
                 DESTINATION ${CMAKE_INSTALL_LIBEXECDIR})
         install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/scripts/completions DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/ybcon.d)
         install(PROGRAMS ${CMAKE_CURRENT_SOURCE_DIR}/scripts/ybcon
-                DESTINATION yerbacon/${CMAKE_INSTALL_BINDIR})
+                DESTINATION ${CMAKE_INSTALL_BINDIR})
     endif()
 elseif(MINGW OR MSVC)
     set(CMAKE_INSTALL_PREFIX "C:\\progs\\${PROJECT_NAME}")

scripts/TestYbcon

@@ -1 +1 @@
-cd ./cmake-build-release/ && clear && ./ybcon -printresult ../examples/HelloWorld.ybcon
+cd ./cmake-build-release/ && clear && ./ybcon --printresult ../examples/HelloWorld.ybcon

scripts/postinst

@@ -2,8 +2,7 @@
 
 # Post install ybcon script
 
-ybconDir="/opt/share/ybcon.d"
-ln -sf "/opt/yerbacon/bin/ybcon" "/usr/bin/ybcon"
+ybconDir="@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_DATAROOTDIR@/ybcon.d"
 fishLoc="/usr/share/fish/vendor_completions.d"
 bashcompleteLoc="/etc/bash_completion.d"
 zshLoc="/etc/zsh_completion.d"

scripts/ybcon

@@ -4,8 +4,10 @@
 
 EXENAME=ybcon
 
-# Default location of the executable
-defaultBinLocation=/opt/libexec/ybcon
+scriptDir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd -P)
+
+# Location of the executable
+defaultBinLocation="$scriptDir/../libexec/ybcon"
 
 usage() {
   if [ "$1" = false ]; then echo "Invalid arguments, usage:"; fi