From f7f76e17c386530b37a49ce1d55cbf77d00f9c00 Mon Sep 17 00:00:00 2001
From: Claes Jakobsson <claes@versed.se>
Date: Sat, 14 Nov 2009 19:23:26 +0000
Subject: [PATCH] Added '--configure' option to curl-config to display original
 configure arguments when curl was built

---
 CHANGES            | 3 +++
 RELEASE-NOTES      | 1 +
 configure.ac       | 6 ++++++
 curl-config.in     | 5 +++++
 docs/curl-config.1 | 2 ++
 5 files changed, 17 insertions(+)

diff --git a/CHANGES b/CHANGES
index 44d761861..e56154cb4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -6,6 +6,9 @@
 
                                   Changelog
 
+Claes Jakobsson (14 Nov 2009)
+- curl-config now accepts '--configure' to see what arguments was
+  passed to the configure script when building curl.
 
 Daniel Stenberg (14 Nov 2009)
 - Claes Jakobsson restored the configure functionality to detect NSS when
diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 4165591b5..851e68cc4 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -10,6 +10,7 @@ Curl and libcurl 7.19.8
 This release includes the following changes:
 
  o support SSL_FILETYPE_ENGINE for client certificate
+ o curl-config can now show the arguments used when building curl
 
 This release includes the following bugfixes:
 
diff --git a/configure.ac b/configure.ac
index bc7e0e4bd..b23bc78a0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -45,6 +45,12 @@ CURL_CHECK_OPTION_CURLDEBUG
 
 CURL_CHECK_PATH_SEPARATOR_REQUIRED
 
+#
+# save the configure arguments
+#
+CONFIGURE_OPTIONS="\"$ac_configure_args\""
+AC_SUBST(CONFIGURE_OPTIONS)
+
 dnl SED is mandatory for configure process and libtool.
 dnl Set it now, allowing it to be changed later.
 AC_PATH_PROG([SED], [sed], [not_found],
diff --git a/curl-config.in b/curl-config.in
index cbe316e56..177b6354d 100644
--- a/curl-config.in
+++ b/curl-config.in
@@ -37,6 +37,7 @@ Available values for OPTION include:
   --cc        compiler
   --cflags    pre-processor and compiler flags
   --checkfor [version] check for (lib)curl of the specified version
+  --configure the arguments given to configure when building curl
   --features  newline separated list of enabled features
   --help      display this help and exit
   --libs      library linking information
@@ -146,6 +147,10 @@ while test $# -gt 0; do
 	echo @libdir@/libcurl.@libext@ @LDFLAGS@ @LIBCURL_LIBS@ @LIBS@
 	;;
 
+    --configure)
+      echo @CONFIGURE_OPTIONS@
+    ;;
+
     *)
         echo "unknown option: $1"
 	usage 1
diff --git a/docs/curl-config.1 b/docs/curl-config.1
index a116e6ea4..b3bd3832b 100644
--- a/docs/curl-config.1
+++ b/docs/curl-config.1
@@ -42,6 +42,8 @@ Specify the oldest possible libcurl version string you want, and this
 script will return 0 if the current installation is new enough or it 
 returns 1 and outputs a text saying that the current version is not new 
 enough. (Added in 7.15.4)
+.IP "--configure"
+Displays the arguments given to configure when building curl.
 .IP "--feature"
 Lists what particular main features the installed libcurl was built with. At
 the time of writing, this list may include SSL, KRB4 or IPv6. Do not assume