shell_app build error in ubuntu20

[chengxuewen]

[cmake] -- sqlite-amalgamation-3.38.2 configure success
[cmake] [1/5] Building C object CMakeFiles/shell_app.dir/shell.c.o
[cmake] [2/5] Building C object CMakeFiles/SQLite3.dir/sqlite3.c.o
[cmake] [3/5] Linking C static library libsqlite3.a
[cmake] [4/5] Linking C executable sqlite3
[cmake] FAILED: sqlite3
[cmake] : && /usr/bin/cc -O3 -DNDEBUG CMakeFiles/shell_app.dir/shell.c.o -o sqlite3 libsqlite3.a -lpthread -ldl && cd /home/ubuntu/Documents/sqlite-amalgamation-3.38.2/build && /usr/bin/strip sqlite3
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o): in function logFunc': [cmake] sqlite3.c:(.text+0x196ed): undefined reference to log'
[cmake] /usr/bin/ld: sqlite3.c:(.text+0x1971d): undefined reference to log' [cmake] /usr/bin/ld: sqlite3.c:(.text+0x19781): undefined reference to log'
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1370): undefined reference to trunc' [cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1520): undefined reference to exp'
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1568): undefined reference to pow' [cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x15b0): undefined reference to pow'
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x15f8): undefined reference to fmod' [cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1640): undefined reference to acos'
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1688): undefined reference to asin' [cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x16d0): undefined reference to atan'
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1718): undefined reference to atan2' [cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1760): undefined reference to cos'
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x17a8): undefined reference to sin' [cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x17f0): undefined reference to tan'
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1838): undefined reference to cosh' [cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1880): undefined reference to sinh'
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x18c8): undefined reference to tanh' [cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1910): undefined reference to acosh'
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x1958): undefined reference to asinh' [cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x19a0): undefined reference to atanh'
[cmake] /usr/bin/ld: libsqlite3.a(sqlite3.c.o):(.data.rel+0x19e8): undefined reference to `sqrt'
[cmake] collect2: error: ld returned 1 exit status
[cmake] ninja: build stopped: subcommand failed.
[cmake] -- Configuring incomplete, errors occurred!

need add -lm in target_link_libraries function.
if(UNIX)
target_link_libraries(shell_app PRIVATE -lm)
endif()