From a6d27c3bca9e9ed591ae4a6e90666a027dcef2b0 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 19 Oct 2019 10:31:19 +0200
Subject: Pass compiler mode as part of config.{c,cxx} in environment scripts

---
 doc/manual.cli                     | 25 ++++++++++++++++---------
 etc/environments/default           |  6 +++---
 etc/environments/default-clang.bat |  8 ++++----
 etc/environments/default-mingw.bat |  6 +++---
 4 files changed, 26 insertions(+), 19 deletions(-)

diff --git a/doc/manual.cli b/doc/manual.cli
index 4cae4c8..d2457da 100644
--- a/doc/manual.cli
+++ b/doc/manual.cli
@@ -818,13 +818,13 @@ For details on configuring and testing installation refer to
 \l{#arch-controller Controller Logic}.
 
 As an example, the following POSIX shell script can be used to setup the
-environment for building C and C++ packages with GCC 6 on most Linux
+environment for building C and C++ packages with GCC 9 on most Linux
 distributions.
 
 \
 #!/bin/sh
 
-# Environment setup script for C/C++ compilation with GCC 6.
+# Environment setup script for C/C++ compilation with GCC 9.
 #
 # $1  - target
 # $2  - bbot executable
@@ -832,15 +832,22 @@ distributions.
 
 set -e # Exit on errors.
 
-t=\"$1\"
+mode=
+case \"$1\" in
+  x86_64-*)
+    #mode=-m64
+    ;;
+  i?86-*)
+    mode=-m32
+    ;;
+  *)
+    echo \"unknown target: '$1'\" 1>&2
+    exit 1
+    ;;
+esac
 shift
 
-if test -n \"$t\"; then
-  echo \"unknown target: $t\" 1>&2
-  exit 1
-fi
-
-exec \"$@\" cc config.c=gcc-6 config.cxx=g++-6
+exec \"$@\" cc config.c=\"gcc-9 $mode\" config.cxx=\"g++-9 $mode\"
 \
 
 \h#arch-controller|Controller Logic|
diff --git a/etc/environments/default b/etc/environments/default
index 16e39d1..2155f72 100755
--- a/etc/environments/default
+++ b/etc/environments/default
@@ -24,10 +24,10 @@ set -e # Exit on errors.
 mode=
 case "$1" in
   x86_64-*)
-    #mode="config.cc.coptions+=-m64"
+    #mode=-m64
     ;;
   i?86-*)
-    mode="config.cc.coptions+=-m32"
+    mode=-m32
     ;;
   *)
     echo "unknown target: '$1'" 1>&2
@@ -36,4 +36,4 @@ case "$1" in
 esac
 shift
 
-exec "$@" cc config.c="$c" config.cxx="$cxx" $mode
+exec "$@" cc config.c="$c $mode" config.cxx="$cxx $mode"
diff --git a/etc/environments/default-clang.bat b/etc/environments/default-clang.bat
index 78109a9..844372c 100644
--- a/etc/environments/default-clang.bat
+++ b/etc/environments/default-clang.bat
@@ -43,15 +43,15 @@ set "VCVARS="
 set "MODE="
 if "_%1_" == "_x86_64-microsoft-win32-msvc%MSVC_VER%_" (
   set "VCVARS=%VCVARS64%"
-  rem set "MODE=config.cc.coptions+=-m64"
+  rem set "MODE=-m64"
 ) else (
   if "_%1_" == "_i686-microsoft-win32-msvc%MSVC_VER%_" (
     set "VCVARS=%VCVARS32%"
-    set "MODE=config.cc.coptions+=-m32"
+    set "MODE=-m32"
   ) else (
     if "_%1_" == "_i386-microsoft-win32-msvc%MSVC_VER%_" (
       set "VCVARS=%VCVARS32%"
-      set "MODE=config.cc.coptions+=-m32"
+      set "MODE=-m32"
     ) else (
       echo error: unknown target %1
       goto error
@@ -66,7 +66,7 @@ if not "_%MSVC%_" == "__" (
   )
 )
 
-%2 %3 %4 %5 %6 %7 %8 %9 cc config.c=%C% config.cxx=%CXX% %MODE%
+%2 %3 %4 %5 %6 %7 %8 %9 cc "config.c=%C% %MODE%" "config.cxx=%CXX% %MODE%"
 if errorlevel 1 goto error
 
 goto end
diff --git a/etc/environments/default-mingw.bat b/etc/environments/default-mingw.bat
index 1d5427b..26d994c 100644
--- a/etc/environments/default-mingw.bat
+++ b/etc/environments/default-mingw.bat
@@ -26,17 +26,17 @@ rem Based on target determine what we are building.
 rem
 set "MODE="
 if "_%1_" == "_x86_64-w64-mingw32_" (
-  rem set "MODE=config.cc.coptions+=-m64"
+  rem set "MODE=-m64"
 ) else (
   if "_%1_" == "_i686-w64-mingw32_" (
-    set "MODE=config.cc.coptions+=-m32"
+    set "MODE=-m32"
   ) else (
     echo error: unknown target %1
     goto error
   )
 )
 
-%2 %3 %4 %5 %6 %7 %8 %9 cc config.c=%C% config.cxx=%CXX% %MODE%
+%2 %3 %4 %5 %6 %7 %8 %9 cc "config.c=%C% %MODE%" "config.cxx=%CXX% %MODE%"
 if errorlevel 1 goto error
 
 goto end
-- 
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