On Debian Unstable(gcc v9.3.0), gcc won't link libraries that are passed
via "-l" before the source file. This does NOT happen on Debian
Stable(gcc v8.3.0) or on my Gentoo system(gcc v9.2.0). Is this expected
behavior?
Example:
Works:
$ gcc ./simple_app.c -lX11 -o ./simple_app.out
Broken:
$ gcc -lX11 ./simple_app.c -o ./simple_app.out
/usr/bin/ld: /tmp/ccCCBBZ5.o: in function `main':
simple_app.c:(.text+0x1c): undefined reference to `XOpenDisplay'
/usr/bin/ld: simple_app.c:(.text+0xdc): undefined reference to
`XCreateSimpleWindow'
/usr/bin/ld: simple_app.c:(.text+0xfc): undefined reference to
`XSelectInput'
/usr/bin/ld: simple_app.c:(.text+0x10f): undefined reference to
`XMapWindow'
/usr/bin/ld: simple_app.c:(.text+0x125): undefined reference to
`XNextEvent'
/usr/bin/ld: simple_app.c:(.text+0x177): undefined reference to
`XFillRectangle'
/usr/bin/ld: simple_app.c:(.text+0x1cc): undefined reference to
`XDrawString'
/usr/bin/ld: simple_app.c:(.text+0x1ed): undefined reference to
`XCloseDisplay'
collect2: error: ld returned 1 exit status
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