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authorRich Felker <dalias@aerifal.cx>2012-08-14 22:50:16 -0400
committerRich Felker <dalias@aerifal.cx>2012-08-14 22:50:16 -0400
commit94e920d0cd12d1ef7d82ba72d912771235710328 (patch)
tree4ff81bc1e8c9b760c5e13230c20dd6ac21edeed5
parentb99836f3ad817788002bc0def7e2442341c03414 (diff)
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support configuring cross compiling with CROSS_COMPILE prefix variable
-rwxr-xr-xconfigure9
1 files changed, 6 insertions, 3 deletions
diff --git a/configure b/configure
index 5beaa109..1e8b9741 100755
--- a/configure
+++ b/configure
@@ -33,6 +33,7 @@ Optional features:
Some influential environment variables:
CC C compiler command [detected]
CFLAGS C compiler flags [-Os -pipe ...]
+ CROSS_COMPILE prefix for cross compiler and tools [none]
Use these variables to override the choices made by configure.
@@ -126,6 +127,7 @@ CC=*) CC=${arg#*=} ;;
CFLAGS=*) CFLAGS=${arg#*=} ;;
CPPFLAGS=*) CPPFLAGS=${arg#*=} ;;
LDFLAGS=*) LDFLAGS=${arg#*=} ;;
+CROSS_COMPILE=*) CROSS_COMPILE=${arg#*=} ;;
*=*) ;;
*) target=$arg ;;
esac
@@ -155,9 +157,9 @@ trap 'rm "$tmpc"' EXIT INT QUIT TERM HUP
# Find a C compiler to use
#
printf "checking for C compiler... "
-trycc gcc
-trycc c99
-trycc cc
+trycc ${CROSS_COMPILE}gcc
+trycc ${CROSS_COMPILE}c99
+trycc ${CROSS_COMPILE}cc
printf "%s\n" "$CC"
test -n "$CC" || { echo "$0: cannot find a C compiler" ; exit 1 ; }
@@ -297,6 +299,7 @@ CFLAGS= $CFLAGS_AUTO $CFLAGS
CFLAGS_C99FSE = $CFLAGS_C99FSE
CPPFLAGS = $CPPFLAGS
LDFLAGS = $LDFLAGS_AUTO $LDFLAGS
+CROSS_COMPILE = $CROSS_COMPILE
EOF
test "x$static" = xno && echo "STATIC_LIBS ="
test "x$shared" = xno && echo "SHARED_LIBS ="