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| author | Bram Moolenaar <Bram@vim.org> | 2018-01-31 14:41:37 +0100 |
|---|---|---|
| committer | Bram Moolenaar <Bram@vim.org> | 2018-01-31 14:41:37 +0100 |
| commit | ec0557f08b2660118eaedb94471e5ab0f87cf2a3 (patch) | |
| tree | 89cf3a14f97ef57688ae911902b26780e6b4a678 /src/configure.ac | |
| parent | 059fd01021779ee369c1e55557275f6c349fda9e (diff) | |
patch 8.0.1444: missing -D_FILE_OFFSET_BITS=64 may cause problemsv8.0.1444
Problem: Missing -D_FILE_OFFSET_BITS=64 may cause problems if a library is
compiled with it.
Solution: Include -D_FILE_OFFSET_BITS if some CFLAGS has it. (James McCoy,
closes #2600)
Diffstat (limited to 'src/configure.ac')
| -rw-r--r-- | src/configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/configure.ac b/src/configure.ac index d78ec7a2b1..274ba59074 100644 --- a/src/configure.ac +++ b/src/configure.ac @@ -4366,6 +4366,20 @@ if test "$GCC" = yes; then fi AC_SUBST(DEPEND_CFLAGS_FILTER) +dnl On some systems AC_SYS_LARGEFILE determines that -D_FILE_OFFSET_BITS=64 +dnl isn't required, but the CFLAGS for some of the libraries we're using +dnl include the define. Since the define changes the size of some datatypes +dnl (e.g. ino_t and off_t), all of Vim's modules must be compiled with a +dnl consistent value. It's therefore safest to force the use of the define +dnl if it's present in any of the *_CFLAGS variables. +AC_MSG_CHECKING(whether we need to force -D_FILE_OFFSET_BITS=64) +if echo "$CFLAGS $LUA_CFLAGS $MZSCHEME_CFLAGS $PERL_CFLAGS $PYTHON_GETPATH_CFLAGS $PYTHON_CFLAGS $PYTHON3_CFLAGS $TCL_CFLAGS $RUBY_CFLAGS $GTK_CFLAGS" | grep -q D_FILE_OFFSET_BITS 2>/dev/null; then + AC_MSG_RESULT(yes) + AC_DEFINE(_FILE_OFFSET_BITS, 64) +else + AC_MSG_RESULT(no) +fi + dnl link.sh tries to avoid overlinking in a hackish way. dnl At least GNU ld supports --as-needed which provides the same functionality dnl at linker level. Let's use it. |