ext2fuse: Fix implicit func decls, use of wrong lib

Closes: https://trac.macports.org/ticket/69997

fuse/ext2fuse/Portfile

@@ -13,8 +13,8 @@ description         ext2 filesystem in user space
 long_description    Implementation of the ext2 filesystem in user space, \
                     using the FUSE library.
 
-homepage            http://ext2fuse.sourceforge.net/
-master_sites        sourceforge
+homepage            https://sourceforge.net/projects/ext2fuse/
+master_sites        sourceforge:project/${name}/${name}/${version}
 distname            ${name}-src-${version}
 
 checksums           rmd160  7ba8c6f88550d1dcf4de235ab39dd13249e36eea \
@@ -23,9 +23,16 @@ checksums           rmd160  7ba8c6f88550d1dcf4de235ab39dd13249e36eea \
 
 depends_lib-append  port:e2fsprogs
 
+patchfiles          implicit.patch \
+                    _XOPEN_SOURCE.patch
+
 configure.cflags-append -std=gnu89
 configure.cflags-append -D__FreeBSD__=10
-configure.cflags-append -I${prefix}/include/osxfuse/fuse
 configure.cflags-append -DENABLE_SWAPFS
-configure.cppflags -I${prefix}/include/osxfuse/fuse
-configure.ldflags-append -losxfuse
+configure.cppflags-replace -I${prefix}/include -isystem${prefix}/include
+
+pre-configure {
+    # The configure script only knows about -lfuse which works for macFUSE but
+    # not for OSXFUSE. This adds the right library flag, whichever port is used.
+    configure.ldflags-append [exec ${prefix}/bin/pkg-config fuse --libs]
+}

fuse/ext2fuse/files/_XOPEN_SOURCE.patch

@@ -0,0 +1,19 @@
+Setting _XOPEN_SOURCE hides certain functions. Setting it to 500 hides strdup:
+
+error: implicitly declaring library function 'strdup' with type 'char *(const char *)' [-Werror,-Wimplicit-function-declaration]
+
+Raising it to 600 fixes that but hides getpagesize:
+
+error: implicit declaration of function 'getpagesize' [-Werror,-Wimplicit-function-declaration]
+
+Therefore, don't set it at all so that nothing is hidden.
+--- lib/ext2fs/tdb.c.orig	2008-06-26 00:34:50.000000000 -0500
++++ lib/ext2fs/tdb.c	2024-05-16 09:53:55.000000000 -0500
+@@ -39,7 +39,6 @@
+ #define HAVE_UTIME_H
+ #define HAVE_UTIME
+ #endif
+-#define _XOPEN_SOURCE 500
+ 
+ #include <unistd.h>
+ #include <stdio.h>

fuse/ext2fuse/files/implicit.patch

@@ -0,0 +1,14 @@
+Fix:
+
+error: implicit declaration of function 'check_perms_in_inode' [-Werror,-Wimplicit-function-declaration]
+--- src/ext2fs.h	2008-06-26 00:34:50.000000000 -0500
++++ src/ext2fs.h	2024-05-16 10:05:06.000000000 -0500
+@@ -87,6 +87,8 @@
+ 
+ int check_perms(perms_struct, ext2_ino_t ino,
+                 int perms_requested);
++int check_perms_in_inode(perms_struct ps, struct ext2_inode *inode,
++                         int perms_requested);
+ int set_perms(perms_struct ps, struct ext2_inode *inode);
+ 
+ /* ext2fs.c */