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From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] Rewrite find_cxx_header config configure.ac Date: Fri, 28 Oct 2022 17:38:07 +0000 (GMT) [thread overview] Message-ID: <20221028173807.1A7DD3884577@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=66a1757257c025ffbc261c1570703d8020e51986 commit 66a1757257c025ffbc261c1570703d8020e51986 Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Tue Mar 8 16:40:35 2022 -0300 Rewrite find_cxx_header config configure.ac To work with clang++. Diff: --- configure | 4 ++-- configure.ac | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/configure b/configure index ff2c406b3b..26bd8200dd 100755 --- a/configure +++ b/configure @@ -5579,8 +5579,8 @@ fi # copy of those headers in Makerules. if test -n "$CXX"; then find_cxx_header () { - echo "#include <$1>" | $CXX -M -MP -x c++ - 2>/dev/null \ - | sed -n "\,$1:,{s/:\$//;p}" + echo "#include <$1>" | $CXX -H -fsyntax-only -x c++ - 2>&1 \ + | sed -rn "\,^\.? .,{s/^\.*\. //p}" } CXX_CSTDLIB_HEADER="$(find_cxx_header cstdlib)" CXX_CMATH_HEADER="$(find_cxx_header cmath)" diff --git a/configure.ac b/configure.ac index eb5bc6a131..a009e7a17f 100644 --- a/configure.ac +++ b/configure.ac @@ -1136,8 +1136,8 @@ AC_SUBST(CXX_SYSINCLUDES) # copy of those headers in Makerules. if test -n "$CXX"; then find_cxx_header () { - echo "#include <$1>" | $CXX -M -MP -x c++ - 2>/dev/null \ - | sed -n "\,$1:,{s/:\$//;p}" + echo "#include <$1>" | $CXX -H -fsyntax-only -x c++ - 2>&1 \ + | sed -rn "\,^\.? .,{s/[^\.]*\. //p}" } CXX_CSTDLIB_HEADER="$(find_cxx_header cstdlib)" CXX_CMATH_HEADER="$(find_cxx_header cmath)"
next reply other threads:[~2022-10-28 17:38 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-10-28 17:38 Adhemerval Zanella [this message] -- strict thread matches above, loose matches on Subject: below -- 2022-10-04 12:56 Adhemerval Zanella 2022-06-09 21:17 Adhemerval Zanella 2022-06-09 13:14 Adhemerval Zanella 2022-06-03 14:03 Adhemerval Zanella 2022-05-13 14:17 Adhemerval Zanella 2022-05-12 19:31 Adhemerval Zanella 2022-05-10 18:21 Adhemerval Zanella 2022-04-29 14:01 Adhemerval Zanella 2022-04-04 12:52 Adhemerval Zanella 2022-03-31 19:04 Adhemerval Zanella 2022-03-29 20:27 Adhemerval Zanella 2022-03-16 17:59 Adhemerval Zanella 2022-03-15 18:37 Adhemerval Zanella 2022-03-11 17:21 Adhemerval Zanella 2022-03-10 19:20 Adhemerval Zanella
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