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# search for the system SQLite once with -ldl, and once without. If
# the library can only be found with $extralibs set to -ldl, then
# the code below will append -ldl to LIBS.
#
foreach extralibs {{} {-ldl}} {
# Locate the system SQLite by searching for sqlite3_open(). Then check
# if sqlite3_trace_v2() can be found as well. If we can find open() but
# not trace_v2(), then the system SQLite is too old to link against
# if sqlite3_prepare_v3() can be found as well. If we can find open() but
# not prepare_v3(), then the system SQLite is too old to link against
# fossil.
#
if {[check-function-in-lib sqlite3_open sqlite3 $extralibs]} {
if {![check-function-in-lib sqlite3_trace_v2 sqlite3 $extralibs]} {
user-error "system sqlite3 too old (require >= 3.14.0)"
if {![check-function-in-lib sqlite3_prepare_v3 sqlite3 $extralibs]} {
user-error "system sqlite3 too old (require >= 3.20.0)"
}
# Success. Update symbols and return.
#
define USE_SYSTEM_SQLITE 1
define-append LIBS -lsqlite3
define-append LIBS $extralibs
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