fpm and Plplot with gtk3/4: "multiple definition of `main'" error (support needed) #284
Description
When try to compile project with PLplot support i get errors both on windows and on Linux.
(without inclusion of Plplot project runs perfect)
Errors on MSYS2:
lllax@LAPTOP-KVC9DPIV UCRT64 /home/FPMprojects/circle_fpm
$ fpm run --flag "$(pkg-config --cflags --libs plplot plplot-fortran)"
circle_fpm.f90 done.
circle_fpm.exe failed.
[100%] Compiling...
D:/Programs/MSYS2/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: build\gfortran_B17540FEB7ADF59B\circle_fpm\app_circle_fpm.f90.o
:circle_fpm.f90:(.text+0x1254): multiple definition of `main'; D:/Programs/MSYS2/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../lib/libmingw32.a(lib64_libmingw
32_a-crtexewin.o):C:/M/B/src/mingw-w64/mingw-w64-crt/crt/crtexewin.c:23: first defined here
D:/Programs/MSYS2/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: D:/Programs/MSYS2/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2
.0/../../../../lib/libmingw32.a(lib64_libmingw32_a-crtexewin.o): in function `main':
C:/M/B/src/mingw-w64/mingw-w64-crt/crt/crtexewin.c:67:(.text.startup+0xbd): undefined reference to `WinMain'
D:/Programs/MSYS2/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: build\gfortran_0913D9F560CF5CAD\circle_fpm\libcircle_fpm.a(buil
d_dependencies_gtk-fortran_src_gtk-draw-hl.f90.o):gtk-draw-hl.f9:(.text+0x507): undefined reference to `gdk_cairo_set_source_pixbuf'
D:/Programs/MSYS2/ucrt64/bin/../lib/gcc/x86_64-w64-mingw32/13.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: build\gfortran_0913D9F560CF5CAD\circle_fpm\libcircle_fpm.a(buil
d_dependencies_gtk-fortran_src_gtk-draw-hl.f90.o):gtk-draw-hl.f9:(.text+0x663): undefined reference to `gdk_pixbuf_get_from_surface'
collect2.exe: error: ld returned 1 exit status
<ERROR> Compilation failed for object " circle_fpm.exe "
<ERROR> stopping due to failed compilation
STOP 1
If i exclude all plplot from code (comment out, only usage of plplot remain) the erors keeps in code.
p.s. :
On Linux i get different errors (ill paste it as i get to my PC in next post).
p.p.s. :
I do need only simple 2d plots, maybe there is alternative lib to use instead?