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| author | Stefan Bühler <stbuehler@web.de> | 2015-08-23 08:07:47 +0000 |
|---|---|---|
| committer | Stefan Bühler <stbuehler@web.de> | 2015-08-23 08:07:47 +0000 |
| commit | 2b9be8f072210147fcf9d6e4324c8ecc0f16faf0 (patch) | |
| tree | 153059d4135caac3acf88ed5abfaaab37e78f51c /configure.ac | |
| parent | d572be6a6d51e43d134b6f7821bbf8be7dcffb9c (diff) | |
| download | lighttpd-git-2b9be8f072210147fcf9d6e4324c8ecc0f16faf0.tar.gz | |
[build] put --as-needed into linker flags instead of cflags
From: Stefan Bühler <stbuehler@web.de>
git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@3026 152afb58-edef-0310-8abb-c4023f1b3aa9
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 351296f0..abd736ca 100644 --- a/configure.ac +++ b/configure.ac @@ -25,7 +25,7 @@ m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES]) dnl @synopsis TRY_CFLAGS [compiler flags] -dnl @summary check whether compiler supports given C flags and adds them to CFLAGS +dnl @summary check whether compiler supports given flags and adds them to CFLAGS AC_DEFUN([TRY_CFLAGS], [dnl AC_MSG_CHECKING([if $CC supports $1]) @@ -42,6 +42,23 @@ AC_DEFUN([TRY_CFLAGS], AC_LANG_POP([C]) ]) +dnl @synopsis TRY_LDFLAGS [linker flags] +dnl @summary check whether linker supports given flags and adds them to LDFLAGS +AC_DEFUN([TRY_LDFLAGS], +[dnl + AC_MSG_CHECKING([if $LD supports $1]) + AC_LANG_PUSH([C]) + ac_try_ldflags_saved_ldflags="${LDFLAGS}" + LDFLAGS="${LDFLAGS} $1" + AC_LINK_IFELSE([AC_LANG_PROGRAM([])], + [AC_MSG_RESULT([yes])], + [ + AC_MSG_ERROR([no]) + LDFLAGS="${ac_try_ldflags_saved_cflags}" + ] + ) + AC_LANG_POP([C]) +]) dnl Checks for programs. AC_PROG_CC @@ -674,7 +691,8 @@ AC_ARG_ENABLE(extra-warnings, esac],[extrawarnings=false]) if test x$extrawarnings = xtrue; then - TRY_CFLAGS([-g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wcast-align -Wsign-compare -Wnested-externs -Wpointer-arith -Wl,--as-needed -D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security]) + TRY_CFLAGS([-g -O2 -g2 -Wall -Wmissing-declarations -Wdeclaration-after-statement -Wcast-align -Wsign-compare -Wnested-externs -Wpointer-arith -D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security]) + TRY_LDFLAGS([-Wl,--as-needed]) fi dnl build version-id |