* m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC):
Remove -Wdisabled-optimization, as this is a warning about the
compiler not the program. I discovered the need for this when
compiling bleeding-edge Emacs with gcc-15 (Ubuntu
15-20250404-0ubuntu1) 15.0.1 20250404 (experimental) [master
r15-9193-g08e803aa9be] on x86-64. Also, omit a
no-longer-necessary LC_ALL=C in a comment.
---
ChangeLog | 9 +++++++++
HACKING | 2 --
build-aux/gcc-warning.spec | 1 +
m4/manywarnings.m4 | 3 +--
4 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 98ffe323cc..84c5fecf1b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
2025-04-27 Paul Eggert <egg...@cs.ucla.edu>
+ manywarnings: omit -Wdisabled-optimization
+ * m4/manywarnings.m4 (gl_MANYWARN_ALL_GCC):
+ Remove -Wdisabled-optimization, as this is a warning about the
+ compiler not the program. I discovered the need for this when
+ compiling bleeding-edge Emacs with gcc-15 (Ubuntu
+ 15-20250404-0ubuntu1) 15.0.1 20250404 (experimental) [master
+ r15-9193-g08e803aa9be] on x86-64. Also, omit a
+ no-longer-necessary LC_ALL=C in a comment.
+
gendocs: do not depend on awk
* build-aux/gendocs.sh (calcsize): Use shell directly, rather than
depending on awk. Allow spaces in outdir. Simplify.
diff --git a/HACKING b/HACKING
index 6503c27b4c..e0f54a4ccf 100644
--- a/HACKING
+++ b/HACKING
@@ -192,7 +192,6 @@ there are three possible approaches:
-Warith-conversion
-Wcast-align=strict
-Wdate-time
- -Wdisabled-optimization
-Wduplicated-cond
-Wextra
-Wformat-signedness
@@ -274,7 +273,6 @@ there are three possible approaches:
-Warith-conversion
-Wcast-align=strict
-Wdate-time
- -Wdisabled-optimization
-Wduplicated-cond
-Wextra
-Wformat-signedness
diff --git a/build-aux/gcc-warning.spec b/build-aux/gcc-warning.spec
index 7d1397136f..e147f49149 100644
--- a/build-aux/gcc-warning.spec
+++ b/build-aux/gcc-warning.spec
@@ -159,6 +159,7 @@
-Wdeprecated-non-prototype c compatibility
-Wdeprecated-variadic-comma-omission c++ and objc+++ compatibility
-Wdesignated-init default
+-Wdisabled-optimization warns about compiler not about
program
-Wdiscarded-array-qualifiers default
-Wdiscarded-qualifiers default
-Wdo-subscript fortran
diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4
index cf3f730b4c..eebba90180 100644
--- a/m4/manywarnings.m4
+++ b/m4/manywarnings.m4
@@ -97,7 +97,7 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC(C
# export LC_ALL=C && comm -3 \
# <((sed -n 's/^ *\(-[^ 0-9][^ ]*\).*/\1/p' manywarnings.m4; \
# awk '/^[^#]/ {print $1}' ../build-aux/gcc-warning.spec) | sort) \
- # <(LC_ALL=C gcc --help=warnings | sed -n 's/^ \(-[^ ]*\) .*/\1/p' | sort)
+ # <(gcc --help=warnings | sed -n 's/^ \(-[^ ]*\) .*/\1/p' | sort)
$1=
for gl_manywarn_item in -fanalyzer -fstrict-flex-arrays \
@@ -106,7 +106,6 @@ AC_DEFUN([gl_MANYWARN_ALL_GCC(C
-Wbad-function-cast \
-Wcast-align=strict \
-Wdate-time \
- -Wdisabled-optimization \
-Wdouble-promotion \
-Wduplicated-branches \
-Wduplicated-cond \
--
2.49.0
