Fix configure test for gcc 14: avoid implicit funcition decl. for main() #33
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Change the implicit return type of int in the embeded test.c program in the configure script to explicit "int main()".
This was a warning in previous gcc versions, but in gcc 14 this produces an error resulting the LIBS variable being empty in the generated Make.conf, and compile errors due to missing jpeg support, etc.
from bad config.log:
infodir = /usr/local/info
$$~test.c:1:1: error: return type defaults to 'int' [-Wimplicit-int]
1 | main()
| ^~~~
libjpeg: no
$$~test.c:1:1: error: return type defaults to 'int' [-Wimplicit-int]
1 | main()
| ^~~~
libpng: no
bmp: yes
fb: /dev/fb0
LIBS =
...