Compile single file to object file

[New to Code::Blocks]

I am having a problem with "Compile single file to object file" that I do not know how to resolve.
Code::Blocks version 16.01
Ubuntu version 16.04 LTS
Code::Blocks updates from: http://ppa.launchpad.net/damien-moore/codeblocks-stable/ubuntu

From Code::Blocks menu item "Settings" > "Compiler..." > "Global compiler settings" > "Other settings" tab > "Advanced options..." button > "Commands" tab

"Source ext." l (el) is defined as follows:
Command line macro: flex -o$file_dir/$file_name.scanner.cc $file
Generated files (to be further compiled): $file_dir/$file_name.scanner.cc

"Source ext." y is defined as follows:
Command line macro: bison -v -d $file -o $file_dir/$file_name.parser.cc
Generated files (to be further compiled): $file_dir/$file_name.parser.cc
                                                                         $file_dir/$file_name.parser.hh

I do not recall making any changes to these (default definitions after installing Code::Blocks).

I created a new Code::Blocks project and added a .l and .y file to the project. I open the .l file and select menu item "Build" > "Compile current file". This results in the following error in the Code::Blocks "Build log" tab:

Flex
/bin/sh: 1: Flex: not found
Process terminated with status 127 (0 minute(s), 0 second(s))
0 error(s), 0 warning(s) (0 minute(s), 0 second(s))

Note that Flex has a capital F.

I open the .y file and select menu item "Build" > "Compile current file". This executes bison and shows me the errors in the .y file.

From Terminal:
$ flex Scanner.l
$ Flex Scanner.l
No command 'Flex' found, did you mean:
Command 'plex' from package 'fp-utils-3.0.0' (universe)
Command 'flex' from package 'flex-old' (universe)
Command 'flex' from package 'flex' (main)
Command 'lex' from package 'flex-old' (universe)
Command 'lex' from package 'flex' (main)
Command 'clex' from package 'clex' (universe)
Command 'jlex' from package 'jlex' (universe)
Command 'alex' from package 'alex' (universe)
Flex: command not found
$ bison Parser.y
"Parser.y", line 1: junk after `%%' in definition section
Segmentation fault (core dumped)
$ whereis flex
flex: /usr/bin/flex /usr/share/man/man1/flex.1.gz /usr/share/info/flex.info-2.gz /usr/share/info/flex.info-1.gz /usr/share/info/flex.info.gz
$ whereis bison
bison: /usr/bin/bison /usr/share/man/man1/bison.1.gz /usr/share/info/bison.info-5.gz /usr/share/info/bison.info.gz /usr/share/info/bison.info-2.gz /usr/share/info/bison.info-1.gz /usr/share/info/bison.info-3.gz /usr/share/info/bison.info-4.gz
$

When a .l file is open in Code::Blocks and I select menu item "Build" > "Compile current file", why is the command Flex (with capital F) being invoked?

John

[oBFusCATed]

Please try the latest version (11176, you'll probably need to build from source or create packages manually) and report if the problem is still present.
If it is please post a minimal project which could be used to reproduce it.

[BlueHazzard]

i tried this on windows (~20 commits behind HEAD) and the command line seems to be ok (i have not installed bison, so i can only check if the generated command line is ok)

Code Select Expand

-------------- Build: Debug in Flex (compiler: GNU GCC Compiler)---------------

[ 33.3%] flex -oG:\tmp\Flex/test.scanner.cc G:\tmp\Flex\test.l
Execution of 'flex -oG:\tmp\Flex/test.scanner.cc G:\tmp\Flex\test.l' in 'G:\tmp\Flex' failed.