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Fix [11/12 regression] error: 'fenv_t' has not been declared in '::' -- canadian compilation fails [PR100017]

Message ID DM6PR05MB4697952E8747297013885A3DD67D9@DM6PR05MB4697.namprd05.prod.outlook.com
State New
Headers show
Series Fix [11/12 regression] error: 'fenv_t' has not been declared in '::' -- canadian compilation fails [PR100017] | expand

Commit Message

cqwrteur Dec. 22, 2021, 2:51 a.m. UTC
libstdc++ cannot find fenv_t for fenv.h when doing canadian compilation.
Fix it by adding -nostdinc++ toggle to configure and configure.ac.

new patch after today's change to configure
---
 configure    | 2 +-
 configure.ac | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/configure b/configure
index 9c2d7df1bb2..103a59627b0 100755
--- a/configure
+++ b/configure
@@ -17304,7 +17304,7 @@  else
 fi
 
 
-RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
+RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET -nostdinc++"
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking where to find the target ar" >&5
 $as_echo_n "checking where to find the target ar... " >&6; }
diff --git a/configure.ac b/configure.ac
index 68cc5cc31fe..baab3b02e2e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3636,7 +3636,7 @@  ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
 ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
 
-RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET"
+RAW_CXX_FOR_TARGET="$CXX_FOR_TARGET -nostdinc++"
 
 GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
 GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])