[postgis-tickets] [SCM] PostGIS branch master updated. 3.2.0-707-g6a6cc54bd

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- Log -----------------------------------------------------------------
commit 6a6cc54bdf1315da8e8c8401575c179aa8727daf
Merge: 3dea38a65 433060082
Author: Regina Obe <lr at pcorp.us>
Date:   Sat Apr 9 19:33:57 2022 -0400

    Merge remote-tracking branch 'konturio/configure-enable-lto-option'
    Require --with-lto config to enable LTO.
    Closes #4574 for PostGIS 3.3.0
    Closes #5121 for PostGIS 3.3.0

diff --cc NEWS
index 8093b473a,8093b473a..607b3e486
--- a/NEWS
+++ b/NEWS
@@@ -20,7 -20,7 +20,7 @@@ PostGIS 3.3.0de
    - GH657, GiST: do not call no-op decompress function (Aliaksandr Kalenik)
    - #4912, GiST: fix crash on STORAGE EXTERNAL for geography (Aliaksandr Kalenik)
    - ST_ConcaveHull GEOS 3.11+ native implementation (Paul Ramsey, Martin Davis)
--  - GH678, Enable Link-Time Optimizations by default if supported (Sergei Shoulbakov)
++  - #4574, GH678, #5121 Enable Link-Time Optimizations using --with-lto config (Sergei Shoulbakov)
    - GH676, faster ST_Clip (Aliaksandr Kalenik)
  
   * New features *

commit 433060082233fb03f576571c9d65cfb6d4d77bb2
Author: sergei sh <sshoulbakov at kontur.io>
Date:   Fri Apr 8 12:22:45 2022 +0300

    configure option --enable-lto

diff --git a/configure.ac b/configure.ac
index fefccfc0e..de4f73d78 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1166,6 +1166,18 @@ dnl
 AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug], [Enable debugging code and flags]),
 	[ENABLE_DEBUG=1], [ENABLE_DEBUG=0])
 
+dnl Allow the developer to turn on link time optimization is supported by compiler
+dnl with --enable-lto (for non-debug build)
+AC_ARG_ENABLE(
+    [lto],
+    AS_HELP_STRING([--enable-lto], [enable link time optimization if supported by compiler (for non-debug build)]),
+    [case "${enableval}" in
+        yes) ENABLE_LTO=1 ;;
+        no)  ENABLE_LTO=0 ;;
+        *) AC_MSG_ERROR([bad value "${enableval}" for --enable-lto]) ;;
+    esac],
+    [ENABLE_LTO=0])
+
 dnl Add -Wall to CFLAGS
 _LT_COMPILER_OPTION([if $compiler supports -Wall], [_cv_wall], [-Wall], [], [CFLAGS="$CFLAGS -Wall"], [])
 
@@ -1176,10 +1188,10 @@ else
     AC_DEFINE([PARANOIA_LEVEL], [0], [Disable use of memory checks])
     CPPFLAGS="-DNDEBUG $CPPFLAGS"
 
-		if test "$MINGWBUILD" = "0"; then
-    	AC_LIBTOOL_COMPILER_OPTION([if $compiler supports -flto], [_cv_flto], [-flto], [], [CFLAGS="$CFLAGS -flto"], [])
-    	AC_LIBTOOL_LINKER_OPTION([if $compiler supports -flto], [_cv_flto], [[-flto]], [LDFLAGS="$LDFLAGS -flto"])
-		fi
+    if test $ENABLE_LTO -eq 1; then
+        AC_LIBTOOL_COMPILER_OPTION([if $compiler supports -flto], [_cv_flto], [-flto], [], [CFLAGS="$CFLAGS -flto"], [])
+        AC_LIBTOOL_LINKER_OPTION([if $compiler supports -flto], [_cv_flto], [[-flto]], [LDFLAGS="$LDFLAGS -flto"])
+    fi
 fi
 
 AC_DEFINE([POSTGIS_DEBUG_LEVEL], [0], [Define debug level. Default 0])

-----------------------------------------------------------------------

Summary of changes:
 NEWS         |  2 +-
 configure.ac | 20 ++++++++++++++++----
 2 files changed, 17 insertions(+), 5 deletions(-)


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