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| author | Paul Eggert <eggert@cs.ucla.edu> | 2018-04-29 09:28:11 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2018-04-29 09:28:11 -0700 |
| commit | bf12cc6c7830937b4c1a3df46294e74bea749a5f (patch) | |
| tree | 26d1469538c00c5aa4c3aa49752126ed1f29f1de | |
| parent | a0aac5741ec27465145fbb283bf095352ba19b58 (diff) | |
| download | emacs-bf12cc6c7830937b4c1a3df46294e74bea749a5f.tar.gz | |
Advise CFLAGS= operand, not in environment, when configuring
| -rw-r--r-- | etc/DEBUG | 3 | ||||
| -rw-r--r-- | etc/PROBLEMS | 2 | ||||
| -rw-r--r-- | nt/INSTALL | 6 |
3 files changed, 7 insertions, 4 deletions
diff --git a/etc/DEBUG b/etc/DEBUG index a7792952089..49764fc9137 100644 --- a/etc/DEBUG +++ b/etc/DEBUG @@ -16,7 +16,8 @@ make the debugging easier. Here's the configure-time options we recommend (they are in addition to any other options you might need, such as --prefix): - CFLAGS='-O0 -g3' ./configure --enable-checking='yes,glyphs' --enable-check-lisp-object-type + ./configure --enable-checking='yes,glyphs' --enable-check-lisp-object-type \ + CFLAGS='-O0 -g3' The CFLAGS value is important: debugging optimized code can be very hard. (If the problem only happens with optimized code, you may need diff --git a/etc/PROBLEMS b/etc/PROBLEMS index d19efaae68d..8fb3d746102 100644 --- a/etc/PROBLEMS +++ b/etc/PROBLEMS @@ -126,7 +126,7 @@ This version of GCC is buggy: see You can work around this error in gcc-4.5 by omitting sibling call optimization. To do this, configure Emacs with - CFLAGS="-g -O2 -fno-optimize-sibling-calls" ./configure + ./configure CFLAGS="-g -O2 -fno-optimize-sibling-calls" ** Emacs compiled with GCC 4.6.1 crashes on MS-Windows when C-g is pressed diff --git a/nt/INSTALL b/nt/INSTALL index d2e5e99c0c9..67069429901 100644 --- a/nt/INSTALL +++ b/nt/INSTALL @@ -52,7 +52,8 @@ build will run on Windows 9X and newer systems). You can pass other options to the configure script. Here's a typical example (for an in-place debug build): - CFLAGS='-O0 -g3' ./configure --prefix=/d/usr/emacs --enable-checking='yes,glyphs' + ./configure --prefix=/d/usr/emacs --enable-checking='yes,glyphs' \ + CFLAGS='-O0 -g3' 3. After the configure script finishes, it should display the resulting configuration. After that, type @@ -461,7 +462,8 @@ build will run on Windows 9X and newer systems). A few frequently used options are needed when you want to produce an unoptimized binary with runtime checks enabled: - CFLAGS='-O0 -g3' ./configure --prefix=PREFIX --enable-checking='yes,glyphs' + ./configure --prefix=PREFIX --enable-checking='yes,glyphs' \ + CFLAGS='-O0 -g3' Once invoked, the configure script will run for some time, and, if successful, will eventually produce a summary of the configuration |