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* [gcc r12-6091] config: Add check whether D compiler works (PR103528)
@ 2021-12-21 20:30 Iain Buclaw
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From: Iain Buclaw @ 2021-12-21 20:30 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:7c6ae994fb587c19ca14aebe18dbc9aca83be609
commit r12-6091-g7c6ae994fb587c19ca14aebe18dbc9aca83be609
Author: Iain Buclaw <ibuclaw@gdcproject.org>
Date: Thu Dec 16 23:56:16 2021 +0100
config: Add check whether D compiler works (PR103528)
As well as checking for the existence of a GDC compiler, also validate
that it has also been built with libphobos, otherwise warn or fail with
the message that GDC is required to build d.
config/ChangeLog:
PR d/103528
* acx.m4 (ACX_PROG_GDC): Add check whether D compiler works.
ChangeLog:
* configure: Regenerate.
Diff:
---
config/acx.m4 | 13 +++++++++++++
configure | 19 +++++++++++++++++++
2 files changed, 32 insertions(+)
diff --git a/config/acx.m4 b/config/acx.m4
index 3c65d820628..b86c4f9e51d 100644
--- a/config/acx.m4
+++ b/config/acx.m4
@@ -425,7 +425,20 @@ AC_DEFUN([ACX_PROG_GDC],
[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])
AC_REQUIRE([AC_PROG_CC])
AC_CHECK_TOOL(GDC, gdc, no)
+AC_CACHE_CHECK([whether the D compiler works],
+ acx_cv_d_compiler_works,
+[cat >conftest.d <<EOF
+module conftest; int main() { return 0; }
+EOF
+acx_cv_d_compiler_works=no
if test "x$GDC" != xno; then
+ errors=`(${GDC} $1[]m4_ifval([$1], [ ])-c conftest.d) 2>&1 || echo failure`
+ if test x"$errors" = x && test -f conftest.$ac_objext; then
+ acx_cv_d_compiler_works=yes
+ fi
+ rm -f conftest.*
+fi])
+if test "x$GDC" != xno && test x$acx_cv_d_compiler_works != xno; then
have_gdc=yes
else
have_gdc=no
diff --git a/configure b/configure
index 2e2dcd0ab30..9c2d7df1bb2 100755
--- a/configure
+++ b/configure
@@ -5727,7 +5727,26 @@ else
GDC="$ac_cv_prog_GDC"
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the D compiler works" >&5
+$as_echo_n "checking whether the D compiler works... " >&6; }
+if ${acx_cv_d_compiler_works+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat >conftest.d <<EOF
+module conftest; int main() { return 0; }
+EOF
+acx_cv_d_compiler_works=no
if test "x$GDC" != xno; then
+ errors=`(${GDC} -c conftest.d) 2>&1 || echo failure`
+ if test x"$errors" = x && test -f conftest.$ac_objext; then
+ acx_cv_d_compiler_works=yes
+ fi
+ rm -f conftest.*
+fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $acx_cv_d_compiler_works" >&5
+$as_echo "$acx_cv_d_compiler_works" >&6; }
+if test "x$GDC" != xno && test x$acx_cv_d_compiler_works != xno; then
have_gdc=yes
else
have_gdc=no
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