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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2022-12-19 02:34:55 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2022-12-19 02:34:55 +0100
commit7685630b98ca2a3f5de86eadf130993e6cf998a0 (patch)
tree20afda4e5b41f576de3c419e26b749764daf878d /sysdeps/mach/configure.ac
parent8b8c768e3c701ed1993789bb46acb8a12c7a93df (diff)
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mach: Fix passing -ffreestanding when checking for gnumach headers
8b8c768e3c70 ("Force use of -ffreestanding when checking for gnumach
headers") was passing -ffreestanding to CFLAGS only, but headers checks are
performed with the preprocessor, so we rather need to pass it to CPPFLAGS.
Diffstat (limited to 'sysdeps/mach/configure.ac')
-rw-r--r--sysdeps/mach/configure.ac9
1 files changed, 3 insertions, 6 deletions
diff --git a/sysdeps/mach/configure.ac b/sysdeps/mach/configure.ac
index 5816c3d4ad..900e5445c5 100644
--- a/sysdeps/mach/configure.ac
+++ b/sysdeps/mach/configure.ac
@@ -6,14 +6,13 @@ if test "x$MIG" = xMISSING; then
 fi
 LIBC_CONFIG_VAR([MIG], [$MIG])
 
+OLD_CPPFLAGS=$CPPFLAGS
 if test -n "$sysheaders"; then
-  OLD_CPPFLAGS=$CPPFLAGS
   CPPFLAGS="$CPPFLAGS $SYSINCLUDES"
 fi
 
 ### Sanity checks for Mach header installation
-old_CFLAGS=$CFLAGS
-CFLAGS="$CFLAGS -ffreestanding"
+CPPFLAGS="$CPPFLAGS -ffreestanding"
 AC_CHECK_HEADER(mach/mach_types.h,,
                 [AC_MSG_ERROR([cannot find Mach headers])], -)
 CFLAGS=$old_CFLAGS
@@ -136,6 +135,4 @@ fi])
 
 hurd_MIG_RETCODE
 
-if test -n "$sysheaders"; then
-  CPPFLAGS=$OLD_CPPFLAGS
-fi
+CPPFLAGS=$OLD_CPPFLAGS