!/bin/bash

PATH=${DEVKITPPC}/bin:${PATH} HOST=powerpc-eabi PREFIX=${DEVKITPRO}/portlibs/ppc

libpng

cd libpng* CPPFLAGS=-I${PREFIX}/include LDFLAGS=-L${PREFIX}/lib ./configure \ --prefix=${PREFIX} --host=${HOST} --disable-shared --enable-static make && make install cd ${home}

---cut here

This is the output:

$ make make all-am make[1]: Entering directory /c/Users/Nebiun/Downloads/WIIdev/portlibs_2017/libp ng-1.6.28' /bin/sh ./libtool --tag=CC --mode=link powerpc-eabi-gcc -g -O2 -L/c/devkitP ro/portlibs/ppc/lib -o pngcp contrib/tools/pngcp.o libpng16.la -lz -lm libtool: link: powerpc-eabi-gcc -g -O2 -o pngcp contrib/tools/pngcp.o -L/c/devk itPro/portlibs/ppc/lib ./.libs/libpng16.a -lz -lm c:/devkitpro/devkitppc/bin/../lib/gcc/powerpc-eabi/6.3.0/../../../../powerpc-eab i/bin/ld.exe: warning: cannot find entry symbol _start; defaulting to 018000b8 contrib/tools/pngcp.o: In functionisdir': c:\Users\Nebiun\Downloads\WIIdev\portlibs_2017\libpng-1.6.28/contrib/tools/pngcp .c:1610: undefined reference to access' contrib/tools/pngcp.o: In functioncp_one_file': c:\Users\Nebiun\Downloads\WIIdev\portlibs_2017\libpng-1.6.28/contrib/tools/pngcp .c:2176: undefined reference to access' c:\Users\Nebiun\Downloads\WIIdev\portlibs_2017\libpng-1.6.28/contrib/tools/pngcp .c:2207: undefined reference toaccess' collect2.exe: error: ld returned 1 exit status make[1]: [pngcp] Error 1 make[1]: Leaving directory `/c/Users/Nebiun/Downloads/WIIdev/portlibs_2017/libpn g-1.6.28' make: [all] Error 2

nebiun commented 7 years ago

Same problem with devkitPPC r28

nebiun commented 7 years ago

And in devkitPPC r27.

access prototype and defines needed for call the function are present in

devkitPPC/powerpc-eabi/include/sys/unistd.h

but the function is not in the library

nebiun commented 7 years ago

I think it is a issue...

nebiun commented 7 years ago

I think this can be an acceptable working version of access()

int access (const char *file, int type) { struct stat stbuf; gid_t gid; uid_t uid;

if (file == NULL || (type & ~(R_OK|W_OK|X_OK|F_OK)) != 0) {
    errno = EINVAL;
    return -1;
}
if(stat(file, &stbuf) == -1)
    return -1;

// No getgid() and getuid()? Well, we are God!

// gid = getgid(); // uid = getuid(); uid = stbuf.st_uid; gid = stbuf.st_gid;

if(uid == stbuf.st_uid) {
    if( ((type & R_OK) && !(stbuf.st_mode & S_IRUSR) ) ||
        ((type & W_OK) && !(stbuf.st_mode & S_IWUSR) ) ||
        ((type & X_OK) && !(stbuf.st_mode & S_IXUSR) ) ) {
        errno = EACCES;
        return -1;
    }
}
else if(gid == stbuf.st_gid) {
    if( ((type & R_OK) && !(stbuf.st_mode & S_IRGRP) ) ||
        ((type & W_OK) && !(stbuf.st_mode & S_IWGRP) ) ||
        ((type & X_OK) && !(stbuf.st_mode & S_IXGRP) ) ) {
        errno = EACCES;
        return -1;
    }
}
else {
    if( ((type & R_OK) && !(stbuf.st_mode & S_IROTH) ) ||
        ((type & W_OK) && !(stbuf.st_mode & S_IWOTH) ) ||
        ((type & X_OK) && !(stbuf.st_mode & S_IXOTH) ) ) {
        errno = EACCES;
        return -1;
    }
}

return 0;

}

WinterMute commented 7 years ago

Please note - devkitPro is the organisation dedicated to producing cross compilers and associated libraries. What you were referring to here is an issue relating to compiling libpng with devkitPPC which isn't really relevant to newlib.

I'll explain further on the forum thread at https://devkitpro.org/viewtopic.php?f=3&t=8650

devkitPro / newlib

undefined reference to `access' devkitPPC r29-1 #4

!/bin/bash

libpng