=> {print the minimum SQLite version number required, and exit}
    internal-sqlite=1    => {Don't use the internal SQLite, use the system one}
    static=0             => {Link a static executable}
    fusefs=1             => {Disable the Fuse Filesystem}
    fossil-debug=0       => {Build with fossil debugging enabled}
    no-opt=0             => {Build without optimization}
    json=0               => {Build with fossil JSON API enabled}
    with-emsdk:path      => {Directory containing the Emscripten SDK}
}

# Update the minimum required SQLite version number here, and also
# in src/main.c near the sqlite3_libversion_number() call.  Take care
# that both places agree!
define MINIMUM_SQLITE_VERSION "3.38.0"

    #       be checked for near the bottom of this file.
    #
    set tclconfig(TCL_LD_FLAGS) [string map [list -ldl ""] \
        $tclconfig(TCL_LD_FLAGS)]
    define-append EXTRA_LDFLAGS $tclconfig(TCL_LD_FLAGS)
    define FOSSIL_ENABLE_TCL
}

# Emscripten is a purely optional component used only for doing
# in-tree builds of WASM stuff, as opposed to WASM binaries we import
# from other places. This is only set up for Unix-style OSes and is
# untested anywhere but Linux.
set emsdkHome [opt-val with-emsdk]
define EMSDK_HOME ""
define EMSDK_ENV ""
define EMCC_OPT "-Oz"
if {$emsdkHome eq "" && [info exists ::env(EMSDK)]} {
  # Fall back to checking the environment. $EMSDK gets set
  # by sourcing emsdk_env.sh.
  set emsdkHome $::env(EMSDK)
}
if {$emsdkHome ne ""} {
  define EMSDK_HOME $emsdkHome
  set emsdkEnv "$emsdkHome/emsdk_env.sh"
  if {[file exists $emsdkEnv]} {
    puts "Using Emscripten SDK environment from $emsdkEnv."
    define EMSDK_ENV $emsdkEnv
    if {[info exists ::env(EMCC_OPT)]} {
      define EMCC_OPT $::env(EMCC_OPT)
    }
  } else {
    puts "emsdk_env.sh not found. Assuming emcc is in the PATH."
  }
}

# Network functions require libraries on some systems
cc-check-function-in-lib gethostbyname nsl
if {![cc-check-function-in-lib socket {socket network}]} {
    # Last resort, may be Windows
    if {[is_mingw]} {
        define-append LIBS -lwsock32

}
if {[opt-bool static]} {
    # Linux can only infer the dependency on pthread from OpenSSL when
    # doing dynamic linkage.
    define-append LIBS -lpthread
}

if {[get-define EMSDK_ENV] ne ""} {
  define EMCC_WRAPPER $::autosetup(dir)/../tools/emcc.sh
  make-template tools/emcc.sh.in
  catch {exec chmod u+x tools/emcc.sh}
} else {
  define EMCC_WRAPPER ""
  catch {exec rm -f tools/emcc.sh}
}

make-template Makefile.in
make-config-header autoconfig.h -auto {USE_* FOSSIL_*}