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-rw-r--r--config/programs.m418
1 files changed, 12 insertions, 6 deletions
diff --git a/config/programs.m4 b/config/programs.m4
index 0ad1e58b48d..c73d9307ea8 100644
--- a/config/programs.m4
+++ b/config/programs.m4
@@ -284,20 +284,26 @@ AC_DEFUN([PGAC_CHECK_STRIP],
AC_DEFUN([PGAC_CHECK_LIBCURL],
[
+ # libcurl compiler/linker flags are kept separate from the global flags, so
+ # they have to be added back temporarily for the following tests.
+ pgac_save_CPPFLAGS=$CPPFLAGS
+ pgac_save_LDFLAGS=$LDFLAGS
+ pgac_save_LIBS=$LIBS
+
+ CPPFLAGS="$LIBCURL_CPPFLAGS $CPPFLAGS"
+ LDFLAGS="$LIBCURL_LDFLAGS $LDFLAGS"
+
AC_CHECK_HEADER(curl/curl.h, [],
[AC_MSG_ERROR([header file <curl/curl.h> is required for --with-libcurl])])
+
+ # LIBCURL_LDLIBS is determined here. Like the compiler flags, it should not
+ # pollute the global LIBS setting.
AC_CHECK_LIB(curl, curl_multi_init, [
AC_DEFINE([HAVE_LIBCURL], [1], [Define to 1 if you have the `curl' library (-lcurl).])
AC_SUBST(LIBCURL_LDLIBS, -lcurl)
],
[AC_MSG_ERROR([library 'curl' does not provide curl_multi_init])])
- pgac_save_CPPFLAGS=$CPPFLAGS
- pgac_save_LDFLAGS=$LDFLAGS
- pgac_save_LIBS=$LIBS
-
- CPPFLAGS="$LIBCURL_CPPFLAGS $CPPFLAGS"
- LDFLAGS="$LIBCURL_LDFLAGS $LDFLAGS"
LIBS="$LIBCURL_LDLIBS $LIBS"
# Check to see whether the current platform supports threadsafe Curl