# Combine version map fragments into version scripts for our shared objects.
-# Copyright (C) 1998-2014 Free Software Foundation, Inc.
+# Copyright (C) 1998-2019 Free Software Foundation, Inc.
# Written by Ulrich Drepper <drepper@cygnus.com>, 1998.
# This script expects the following variables to be defined:
oldlib = "";
oldver = "";
+ real_first_ver_header = buildroot "first-versions.h"
+ first_ver_header = real_first_ver_header "T"
+ printf("#ifndef _FIRST_VERSIONS_H\n") > first_ver_header;
+ printf("#define _FIRST_VERSIONS_H\n") > first_ver_header;
+ real_ldbl_compat_header = buildroot "ldbl-compat-choose.h"
+ ldbl_compat_header = real_ldbl_compat_header "T"
+ printf("#ifndef _LDBL_COMPAT_CHOOSE_H\n") > ldbl_compat_header;
+ printf("#define _LDBL_COMPAT_CHOOSE_H\n") > ldbl_compat_header;
+ printf("#ifndef LONG_DOUBLE_COMPAT\n") > ldbl_compat_header;
+ printf("# error LONG_DOUBLE_COMPAT not defined\n") > ldbl_compat_header;
+ printf("#endif\n") > ldbl_compat_header;
printf("version-maps =");
while (getline < tmpfile) {
if ($1 != oldlib) {
printf(" ") > outfile;
for (n = 3; n <= NF; ++n) {
printf(" %s", $n) > outfile;
+ sym = $n;
+ sub(";", "", sym);
+ first_ver_macro = "FIRST_VERSION_" oldlib "_" sym;
+ if (!(first_ver_macro in first_ver_seen) \
+ && oldver ~ "^GLIBC_[0-9]" \
+ && sym ~ "^[A-Za-z0-9_]*$") {
+ ver_val = oldver;
+ gsub("\\.", "_", ver_val);
+ printf("#define %s %s\n", first_ver_macro, ver_val) > first_ver_header;
+ first_ver_seen[first_ver_macro] = 1;
+ if (oldlib == "libc" || oldlib == "libm") {
+ printf("#if LONG_DOUBLE_COMPAT (%s, %s)\n",
+ oldlib, ver_val) > ldbl_compat_header;
+ printf("# define LONG_DOUBLE_COMPAT_CHOOSE_%s_%s(a, b) a\n",
+ oldlib, sym) > ldbl_compat_header;
+ printf("#else\n") > ldbl_compat_header;
+ printf("# define LONG_DOUBLE_COMPAT_CHOOSE_%s_%s(a, b) b\n",
+ oldlib, sym) > ldbl_compat_header;
+ printf("#endif\n") > ldbl_compat_header;
+ }
+ }
}
printf("\n") > outfile;
}
printf("\n");
+ printf("#endif /* first-versions.h */\n") > first_ver_header;
+ printf("#endif /* ldbl-compat-choose.h */\n") > ldbl_compat_header;
closeversion(oldver, veryoldver);
close_and_move(outfile, real_outfile);
+ close_and_move(first_ver_header, real_first_ver_header);
+ close_and_move(ldbl_compat_header, real_ldbl_compat_header);
#system("rm -f " tmpfile);
}