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GNU C Library master sources branch master updated. glibc-2.20-454-g195f3af
- From: siddhesh at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 31 Dec 2014 07:57:15 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.20-454-g195f3af
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=195f3afcbed4986beaecd5c28fdbe27ee0a402e0
commit 195f3afcbed4986beaecd5c28fdbe27ee0a402e0
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Wed Dec 31 13:22:58 2014 +0530
Use one-dimension arrays in gen-posix-conf-vars.awk
True multi-dimensional arrays were introduced in awk 4.0 and we
support awk versions as early as 3.12. Use a single subscript of the
form prefix_conf instead of two dimensions to work around this
limitation. We also need one additional array of just the conf names
subscripted by the prefix_conf to print the names for the
specifications.
* scripts/gen-posix-conf-vars.awk: Don't use multi-dimensional
arrays.
diff --git a/ChangeLog b/ChangeLog
index 70f8675..4597880 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-12-31 Siddhesh Poyarekar <siddhesh@redhat.com>
+
+ * scripts/gen-posix-conf-vars.awk: Don't use multi-dimensional
+ arrays.
+
2014-12-30 H.J. Lu <hongjiu.lu@intel.com>
[BZ #17775]
diff --git a/scripts/gen-posix-conf-vars.awk b/scripts/gen-posix-conf-vars.awk
index 007cd74..220d0e8 100644
--- a/scripts/gen-posix-conf-vars.awk
+++ b/scripts/gen-posix-conf-vars.awk
@@ -42,36 +42,36 @@ $1 == "}" {
# CONFSTR: A configuration string
# SYSCONF: A numeric value
# SPEC: A specification
- sc_prefixes[prefix][$1] = sc_prefix
- conf[prefix][$1] = type
+ c = prefix "_" $1
+ sc_prefixes[c] = sc_prefix
+ prefix_conf[c] = type
+ conf[c] = $1
}
END {
print "/* AUTOGENERATED by gen-posix-conf-vars.awk. DO NOT EDIT. */\n"
# Generate macros that specify if a sysconf macro is defined and/or set.
- for (p in conf) {
- for (c in conf[p]) {
- printf "#ifndef _%s_%s\n", p, c
- printf "# define CONF_DEF_%s_%s CONF_DEF_UNDEFINED\n", p, c
- # CONFSTR have string values and they are not set or unset.
- if (conf[p][c] != "CONFSTR") {
- printf "#else\n"
- printf "# if _%s_%s > 0\n", p, c
- printf "# define CONF_DEF_%s_%s CONF_DEF_DEFINED_SET\n", p, c
- printf "# else\n"
- printf "# define CONF_DEF_%s_%s CONF_DEF_DEFINED_UNSET\n", p, c
- printf "# endif\n"
- }
- printf "#endif\n\n"
+ for (c in prefix_conf) {
+ printf "#ifndef _%s\n", c
+ printf "# define CONF_DEF_%s CONF_DEF_UNDEFINED\n", c
+ # CONFSTR have string values and they are not set or unset.
+ if (prefix_conf[c] != "CONFSTR") {
+ printf "#else\n"
+ printf "# if _%s > 0\n", c
+ printf "# define CONF_DEF_%s CONF_DEF_DEFINED_SET\n", c
+ printf "# else\n"
+ printf "# define CONF_DEF_%s CONF_DEF_DEFINED_UNSET\n", c
+ printf "# endif\n"
+ }
+ printf "#endif\n\n"
- # Build a name -> sysconf number associative array to print a C array at
- # the end.
- if (conf[p][c] == "SPEC") {
- name = sprintf ("%s_%s", p, c)
- num = sprintf ("%s_%s", sc_prefixes[p][c], c)
- spec[name] = num
- }
+ # Build a name -> sysconf number associative array to print a C array at
+ # the end.
+ if (prefix_conf[c] == "SPEC") {
+ name = sprintf ("%s", c)
+ num = sprintf ("%s_%s", sc_prefixes[c], conf[c])
+ spec[name] = num
}
}
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 ++++
scripts/gen-posix-conf-vars.awk | 46 +++++++++++++++++++-------------------
2 files changed, 28 insertions(+), 23 deletions(-)
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