英文:
CGO undefined reference in included files
问题
Wraping up OpenJtalk in Go, files are successfully included and types are referenced without an issue, but functions trigger an undefined reference error.
jtalk.go:
package main
// #cgo CFLAGS: -I/home/vagrant/open_jtalk/njd [...etc]
/*
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <math.h>
// Main headers
#include "mecab.h"
#include "njd.h"
#include "jpcommon.h"
#include "HTS_engine.h"
// Sub headers
#include "text2mecab.h"
#include "mecab2njd.h"
#include "njd_set_pronunciation.h"
#include "njd_set_digit.h"
#include "njd_set_accent_phrase.h"
#include "njd_set_accent_type.h"
#include "njd_set_unvoiced_vowel.h"
#include "njd_set_long_vowel.h"
#include "njd2jpcommon.h"
*/
import "C"
type Open_JTalk struct {
mecab C.Mecab each of these struct references are fine
njd C.NJD
jpcommon C.JPCommon
engine C.HTS_Engine
}
func (open_jtalk *Open_JTalk) Open_JTalk_initialize() {
C.Mecab_initialize(&open_jtalk.mecab) // when any function is called the error happens
C.NJD_initialize(&open_jtalk.njd)
C.JPCommon_initialize(&open_jtalk.jpcommon)
C.HTS_Engine_initialize(&open_jtalk.engine)
}
func main() {
}
And the weird part is that those same functions are declared right after the types:
mecab.h
// line 1584
typedef struct _Mecab{
char **feature;
int size;
mecab_t *mecab;
} Mecab;
BOOL Mecab_initialize(Mecab *m);
项目网页：http://open-jtalk.sourceforge.net/
英文:
Wraping up OpenJtalk in Go, files are successfully included and types are referenced without an issue, but functions trigger an undefined reference error.
jtalk.go:
package main
// #cgo CFLAGS: -I/home/vagrant/open_jtalk/njd [...etc]
/*
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <math.h>
// Main headers
#include "mecab.h"
#include "njd.h"
#include "jpcommon.h"
#include "HTS_engine.h"
// Sub headers
#include "text2mecab.h"
#include "mecab2njd.h"
#include "njd_set_pronunciation.h"
#include "njd_set_digit.h"
#include "njd_set_accent_phrase.h"
#include "njd_set_accent_type.h"
#include "njd_set_unvoiced_vowel.h"
#include "njd_set_long_vowel.h"
#include "njd2jpcommon.h"
*/
import "C"
type Open_JTalk struct {
mecab C.Mecab each of these struct references are fine
njd C.NJD
jpcommon C.JPCommon
engine C.HTS_Engine
}
func (open_jtalk *Open_JTalk) Open_JTalk_initialize() {
C.Mecab_initialize(&open_jtalk.mecab) // when any function is called the error happens
C.NJD_initialize(&open_jtalk.njd)
C.JPCommon_initialize(&open_jtalk.jpcommon)
C.HTS_Engine_initialize(&open_jtalk.engine)
}
func main() {
}
And the weird part is that those same functions are declared right after the types:
mecab.h
// line 1584
typedef struct _Mecab{
char **feature;
int size;
mecab_t *mecab;
} Mecab;
BOOL Mecab_initialize(Mecab *m);
Project webpage: http://open-jtalk.sourceforge.net/
答案1
得分: 14
你需要添加cgo链接器选项（LDFLAGS），包括库的路径和名称。例如：
// #cgo CFLAGS: -I你的包含路径
// #cgo LDFLAGS: -L你的库路径 -lyour-library-name-minus-the-lib-part
英文:
You need to add cgo linker options (LDFLAGS) with the path to and the name of your library. e.g.
// #cgo CFLAGS: -Iyour-include-path
// #cgo LDFLAGS: -Lyour-library-path -lyour-library-name-minus-the-lib-part
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