Re: Need help with a makefile

On Tue, Feb 6, 2024 at 10:21 PM Jonathan Adams <jfadams1963@proton.me>
wrote:

> Hi all,
>   I'm having a heck of a time getting my makefile conditional statements
> to not cause `make` to have fits. Could sure use some help on this. This is
> a makefile that works great _without_ the conditions, and my program
> compiles and runs on FBSD and Linux.
>   I've just added a function who's header file is in a different location
> on Linux, so I'm needing detect the OS and set the correct preprocessor
> directives. I get the same errors without the line continuation
> backslashes. (More errors actually; one for lines 7, 9, 10, and 11 each)
> I'm using tabs for indent, and have checked for extraneous/misplaced spaces
> too.
>
> Here is the start of the makefile including the troublesome bits:
>
>    1   │ CC      = cc
>    2   │ CFLAGS  = -g -w -Wall -Wextra
>    3   │ LDFLAGS = -Wl,--allow-multiple-definition -lssl -lcrypto
>
>    4   │ RM      = rm -f
>    5   │ UNAME  := $(shell uname)
>    6   │
>
>    7   │ ifeq ($(UNAME),FreeBSD) \
>    8   │     CFLAGS += -D BSD \
>    9   │ else ifeq ($(UNAME),Linux) \
>   10   │     CFLAGS += -D LINUX \
>   11   │ endif
>         <snip>
>
> And here are the errors from `make`:
> ~/portable/src$ make
> make: "/home/jfa/portable/src/makefile" line 7: Invalid line type
> make: Fatal errors encountered -- cannot continue
> make: stopped in /home/jfa/portable/src
>
>   I'm working on 14.0-RELEASE-p4. I've found plenty of advice on
> Stackoverflow, but nothing that solves the issue. Duckduckgo-ing produces
> more of the same, so I thought I'd reach out here.
>
> Thanks!
>
> - Jonathan
> ____________________________________________
> "Before Turing, things were done to numbers.
> After Turing, numbers began doing things"
> - George Dyson



ifeq is gmake centric.
make(1) will show you all available statements.

gmake != make

~Paul

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