[gcc/devel/omp/gcc-14] libstdc++, nvptx: Remove machinery to inject per-file flags

[Thomas Schwinge]

https://gcc.gnu.org/g:70e36d8d0429ba9474501d79eaf630764f77efc4

commit 70e36d8d0429ba9474501d79eaf630764f77efc4
Author: Thomas Schwinge <tschwinge@baylibre.com>
Date:   Wed Apr 2 11:05:08 2025 +0200

    libstdc++, nvptx: Remove machinery to inject per-file flags
    
    Not used anymore.
    
            libstdc++-v3/
            * config/cpu/nvptx/t-nvptx: Remove.
            * configure.host [nvptx]: Adjust.
    
    (cherry picked from commit 287f360b3e75a19c48ee14c71f51b6e7968474ef)

Diff:
---
 libstdc++-v3/ChangeLog.omp            | 6 ++++++
 libstdc++-v3/config/cpu/nvptx/t-nvptx | 1 -
 libstdc++-v3/configure.host           | 5 -----
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/libstdc++-v3/ChangeLog.omp b/libstdc++-v3/ChangeLog.omp
index dd14652de22b..daca152e84a5 100644
--- a/libstdc++-v3/ChangeLog.omp
+++ b/libstdc++-v3/ChangeLog.omp
@@ -3,6 +3,12 @@
 	Backported from trunk:
 	2025-04-03  Thomas Schwinge  <tschwinge@baylibre.com>
 
+	* config/cpu/nvptx/t-nvptx: Remove.
+	* configure.host [nvptx]: Adjust.
+
+	Backported from trunk:
+	2025-04-03  Thomas Schwinge  <tschwinge@baylibre.com>
+
 	PR target/119573
 	* config/cpu/nvptx/t-nvptx (AM_MAKEFLAGS): Don't amend.
 
diff --git a/libstdc++-v3/config/cpu/nvptx/t-nvptx b/libstdc++-v3/config/cpu/nvptx/t-nvptx
deleted file mode 100644
index eacc5468d627..000000000000
--- a/libstdc++-v3/config/cpu/nvptx/t-nvptx
+++ /dev/null
@@ -1 +0,0 @@
-# Per-file flags, see '../../../configure.host', "inject per-file flags".
diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host
index 0bed9dfff957..8375764bf4dc 100644
--- a/libstdc++-v3/configure.host
+++ b/libstdc++-v3/configure.host
@@ -374,11 +374,6 @@ case "${host}" in
      port_specific_symbol_files="\$(srcdir)/../config/os/gnu-linux/arm-eabi-extra.ver"
      ;;
   nvptx-*-none)
-    # For 'make all-target-libstdc++-v3', we need to inject per-file flags:
-    OPTIMIZE_CXXFLAGS="${OPTIMIZE_CXXFLAGS} \$(CXXFLAGS-\$(subdir)/\$@)"
-    # ..., see:
-    tmake_file="$tmake_file cpu/nvptx/t-nvptx"
-
     # For 'make all-target-libstdc++-v3', re 'alloca'/VLA usage:
     EXTRA_CFLAGS="${EXTRA_CFLAGS} -mfake-ptx-alloca"
     OPTIMIZE_CXXFLAGS="${OPTIMIZE_CXXFLAGS} -mfake-ptx-alloca"