From: "Pavel S. Khmelinsky" <hmepas@yauza.ru> To: community@altlinux.ru Subject: Re: [Comm] JT Help for compile Date: Wed, 04 Jun 2003 23:24:24 +0400 Message-ID: <3EDE4768.6050805@yauza.ru> (raw) In-Reply-To: <20030604181541.GA914@vic.office.cint.ru> viro@mail.ru wrote: > Очень нужно получать для себя несколько цифр в удобной форме > > Есть и установленна библиотека libnova: > $ ls -1 /usr/lib/libnova* > /usr/lib/libnova-0.3.so.1 > /usr/lib/libnova-0.3.so.1.0.0 > /usr/lib/libnova-0.7.so.0 > /usr/lib/libnova-0.7.so.0.0.0 > /usr/lib/libnova.a > /usr/lib/libnova.la > /usr/lib/libnova.so > > Файл /usr/include/libnova.h содержит: > struct ln_date > { > int years; /*!< Years. All values are valid */ > int months; /*!< Months. Valid values : 1 (January) - 12 (December) */ > int days; /*!< Days. Valid values 1 - 28,29,30,31 Depends on month.*/ > int hours; /*!< Hours. Valid values 0 - 23. */ > int minutes; /*!< Minutes. Valid values 0 - 59. */ > double seconds; /*!< Seconds. Valid values 0 - 59.99999.... */ > }; > double get_julian_day (struct ln_date * date); > Программа такова: > $ cat proba.c > #include "libnova.h" > #include <stdio.h> > #include <stdlib.h> > int main () > { > double JD; > struct ln_date date; > date.years = 2003; > date.months = 5; > date.days = 21; > date.hours = 0; > date.minutes = 0; > date.seconds = 0; > JD = get_julian_day (&date); > printf ("JD: %s", JD); > return (0); > } > > Результат компиляции таков: > $ gcc proba.c -o proba gcc proba.c -lnova -o proba > /home/vic/tmp/cc7z8m4y.o: In function `main': > /home/vic/tmp/cc7z8m4y.o(.text+0x3f): undefined reference to `get_julian_day' > collect2: ld returned 1 exit status > > Что надо доделать? > > Спасибо. > > _______________________________________________ > Community mailing list > Community@altlinux.ru > http://www.altlinux.ru/mailman/listinfo/community > >
next prev parent reply other threads:[~2003-06-04 19:24 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2003-06-04 18:15 viro 2003-06-04 19:24 ` Pavel S. Khmelinsky [this message] 2003-06-05 5:22 ` viro 2003-06-05 5:26 ` Pavel S. Khmelinsky 2003-06-07 19:17 ` [Comm] Re: JT Help for compile --> JT! Michael Shigorin 2003-06-07 19:59 ` Pavel S. Khmelinsky
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