STR #3526

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STR #3526

Application:	FLTK Library
Status:	2 - Closed w/o Resolution
Priority:	3 - Moderate, e.g. unable to compile the software
Scope:	2 - Specific to an operating system
Subsystem:	None
Summary:	undefined reference to `png_set_longjmp_fn'
Version:	1.3-current
Created By:	mik3ca
Assigned To:	AlbrechtS
Fix Version:	Unassigned
Update Notification:	Receive EMails Don't Receive EMails

Trouble Report Files:

No files

Trouble Report Comments:

Name/Time/Date Text

#1	mik3ca 16:29 Aug 01, 2019

I tried the latest and also version 1.3.0. In the ./configure stage, everything seemed ok. I then typed make and received this error: Linking fluid... ../lib/libfltk_images.a(Fl_PNG_Image.o): In function `Fl_PNG_Image::load_png_(char const*, unsigned char const*, int)': Fl_PNG_Image.cxx:(.text+0xba): undefined reference to `png_set_longjmp_fn' collect2: ld returned 1 exit status make[1]: *** [fluid] Error 1 make: *** [all] Error 1 the configure stage should have stopped the installation with a requirement of a certain libpng version to continue.

#2	AlbrechtS 04:45 Aug 05, 2019

Thanks for your report. I'm pretty sure that configure uses the bundled PNG library if it doesn't find any usable PNG library, hence I assume that configure found one but couldn't successfully link (fluid). Some questions: 1) On which exact platform (OS, compiler) did you find this? 2) Can you tell us which particular libpng (and version) you have on your system? 3) Did you install the libpng development (header) files? (pretty sure this must be YES) 4) Which 'latest' FLTK version did you try (1.3.5 or 1.4.0 (git master))?

#3	AlbrechtS 05:21 Jun 30, 2020

This STR has not been updated by the submitter for two or more weeks and has been closed as required by the FLTK Configuration Management Plan. If the issue still requires resolution, please re-submit a new STR.

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