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ECC-1141: Compile error on MinGW: undefined reference to 'realpath'

This commit is contained in:
Shahram Najm 2020-08-05 15:21:25 +01:00
parent d0b7b2e31f
commit c39585dc93
3 changed files with 11 additions and 7 deletions
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1
CMakeLists.txt
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@ -49,6 +49,7 @@ check_symbol_exists( fseeko "stdio.h" ECCODES_HAVE_FSEEKO )
check_symbol_exists( posix_memalign "stdlib.h" ECCODES_HAVE_POSIX_MEMALIGN )
check_symbol_exists( fmemopen "stdio.h" ECCODES_HAVE_FMEMOPEN )
check_symbol_exists( funopen "stdio.h" ECCODES_HAVE_FUNOPEN )
check_symbol_exists( realpath "stdlib.h" ECCODES_HAVE_REALPATH )
check_c_source_compiles(
" typedef int foo_t;

2
eccodes_config.h.in
View File

@ -50,6 +50,7 @@
#cmakedefine ECCODES_HAVE_POSIX_MEMALIGN
#cmakedefine ECCODES_HAVE_FMEMOPEN
#cmakedefine ECCODES_HAVE_FUNOPEN
#cmakedefine ECCODES_HAVE_REALPATH
#if defined(EC_HAVE_ASSERT_H) || defined(ECCODES_HAVE_ASSERT_H)
#define HAVE_ASSERT_H 1
@ -83,6 +84,7 @@
#define POSIX_MEMALIGN 1
#endif
/* other */
#define IEEE_BE @IEEE_BE@

7
src/grib_context.c
View File

@ -607,9 +607,7 @@ grib_context* grib_context_new(grib_context* parent)
static char* resolve_path(grib_context* c, char* path)
{
char* result = NULL;
#ifdef ECCODES_ON_WINDOWS
result = grib_context_strdup(c, path);
#else
#if defined(ECCODES_HAVE_REALPATH)
char resolved[ECC_PATH_MAXLEN + 1];
if (!realpath(path, resolved)) {
result = grib_context_strdup(c, path); /* Failed to resolve. Use original path */
@ -617,7 +615,10 @@ static char* resolve_path(grib_context* c, char* path)
else {
result = grib_context_strdup(c, resolved);
}
#else
result = grib_context_strdup(c, path);
#endif
return result;
}