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Diffstat (limited to 'scripts/versions.awk')
-rw-r--r--scripts/versions.awk19
1 files changed, 19 insertions, 0 deletions
diff --git a/scripts/versions.awk b/scripts/versions.awk
index df08d06816..5d4768c992 100644
--- a/scripts/versions.awk
+++ b/scripts/versions.awk
@@ -105,6 +105,13 @@ END {
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) {
@@ -141,14 +148,26 @@ END {
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);
}