Closed yurivict closed 1 year ago
Thanks for pointing this out!
Did the output you provided come from building a clone of this repo or from building the tarball produced by make distcheck?
On Wed, Jun 7, 2023, 13:36 @. @.> wrote:
Current revision a97872a https://github.com/westes/flex/commit/a97872a31146ddbd652994f3b05a7e86705a89c2 fails to build on the system with flex-2.5.4
Configure succeeds:
checking for flex... flex checking lex output file root... lex.yy checking lex library... -lfl
But the build then fails:
@.:~/flex $ make Making all in src make[1]: Entering directory '/u/yuriv/flex/src' make all-am make[2]: Entering directory '/u/yuriv/flex/src' /bin/sh ../build-aux/ylwrap scan.l lex.yy.c scan.c -- flex "/u/yuri/flex/src/scan.l", line 3: unrecognized '%' directive "/u/yuri/flex/src/scan.l", line 6: bad character: # "/u/yuri/flex/src/scan.l", line 6: unknown error processing section 1 "/u/yuri/flex/src/scan.l", line 6: unknown error processing section 1 "/u/yuri/flex/src/scan.l", line 6: bad character: " "/u/yuri/flex/src/scan.l", line 6: unknown error processing section 1 "/u/yuri/flex/src/scan.l", line 6: bad character: . "/u/yuri/flex/src/scan.l", line 6: unknown error processing section 1 "/u/yuri/flex/src/scan.l", line 6: bad character: " "/u/yuri/flex/src/scan.l", line 7: bad character: } make[2]: [Makefile:1433: scan.c] Error 1 make[2]: Leaving directory '/u/yuri/flex/src' make[1]: [Makefile:551: all] Error 2 make[1]: Leaving directory '/u/yuri/flex/src' make: [Makefile:530: all-recursive] Error 1 @.***:~/flex $ flex --version flex version 2.5.4
Configure should check if the pre-installed flex version is compatible and it should recommend what the minimal compatible version is.
Or, even better, do not require flex dependency at all - it isn't a good idea to depend on itself. flex can just store the C module that results in the flex run in the source tree.
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Did the output you provided come from building a clone of this repo or from building the tarball produced by make distcheck?
It is a git clone.
A few thoughts:
While I'm going to close this issue, I will open up a separate one to document clearly the need for flex in building flex. It's about half there in the INSTALL.md file, but not as clearly as it might be.
Current revision a97872a fails to build on the system with flex-2.5.4
Configure succeeds:
But the build then fails:
Configure should check if the pre-installed flex version is compatible and it should recommend what the minimal compatible version is.
Or, even better, do not require flex dependency at all - it isn't a good idea to depend on itself. flex can just store the C module that results in the flex run in the source tree.