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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Thomas Koenig <tkoenig@netcologne.de> Newsgroups: comp.lang.fortran Subject: Re: nasty link problem with Gfortran and G++ (C++) ??? Date: Fri, 10 Jan 2025 23:01:04 -0000 (UTC) Organization: A noiseless patient Spider Lines: 37 Message-ID: <vls8rg$9373$1@dont-email.me> References: <vlk6nb$2cmk4$1@dont-email.me> <vlk97b$2d9j6$2@dont-email.me> <vlq8he$3pt22$3@dont-email.me> <vlqp57$3u2rb$1@dont-email.me> <vls3gr$84m0$1@dont-email.me> Injection-Date: Sat, 11 Jan 2025 00:01:04 +0100 (CET) Injection-Info: dont-email.me; posting-host="4f565fc078d79a1f72840303bf68484f"; logging-data="298211"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19z0QFXkNNs4/40S4a6EClwI5PgBi8nKls=" User-Agent: slrn/1.0.3 (Linux) Cancel-Lock: sha1:3jq7/YiVa3y1ywfxdta01qed62o= Bytes: 2597 Lynn McGuire <lynnmcguire5@gmail.com> schrieb: > On 1/10/2025 3:27 AM, Thomas Koenig wrote: >> Lynn McGuire <lynnmcguire5@gmail.com> schrieb: >> >>> I cannot get a small code sample with or without a DLL to exhibit the >>> problem. Like I said, I thought it was something related to size of my >>> DLL. And this is the small DLL, only 3 MB. >> >> Regarding DLLs, I'm out... I don't think I have ever done one. >> >> Which toolchain are you using? Msys/mingw64 is probably the >> preferred one. (Personally, I use cygwin for Windows stuff (with >> the mingw64 cross compiler), but that is because I like the >> UNIXy look and feel of cygwin.) >> >> Did you look at the symbols that can be found in the respective >> DLLs, do they match your expectations? (I presume you follow >> >> https://stackoverflow.com/questions/48021991/creating-dll-with-gfortran-on-windows >> >> ). > > For compilers and IDE, I am using GCC 14.1 that is in Simply Fortran 3.38. > https://simplyfortran.com/ Hm, OK. I'm not familiar with how Simply Fortran operates; they do not cooperate with the gfortran team (but rather make money off the work of volunteers). If you have questions regarding teir toolbox, this is best addressed to them. > For Unix utilities on Windows, I use the old Thompson Toolkit from 1987 > that had the grep written in assembly language for SPEED. Finding code > in 5,000+ subroutines across 60+ subdirectories requires SPEED. > http://www.tasoft.com/toolkit.html Do you have a working nm? If not, debugging this will be pretty much impossible.