configure: Switch from 4 spaces to tabs for some messages

[fips] / configure

diff --git a/configure b/configure
index a79960700aeb0fa44ebdcd20da0452fd296e75a4..b63103eaa697a25822d7a481b8629991af77b8e9 100755 (executable)
--- a/configure
+++ b/configure
@@ -192,13 +192,58 @@ EOF
 
 errors=0
 
 
 errors=0
 

+printf "Checking for pkg-config... "

 if pkg-config --version > /dev/null 2>&1; then
 if pkg-config --version > /dev/null 2>&1; then

-    have_pkg_config=1
+    printf "Yes.\n"

 else
 else

-    have_pkg_config=0
+    printf "No.\n"
+    cat <<EOF
+
+*** Error: This configure script requires pkg-config to find the
+compilation flags required to link against the various libraries
+needed by ${PROJECT}. The pkg-config program can be obtained from:
+
+       http://www.freedesktop.org/wiki/Software/pkg-config/
+
+Or you may be able install it with a command such as:
+
+       sudo apt-get install pkg-config
+    or:
+       sudo yum install pkgconfig
+
+EOF
+
+exit 1
+
+fi
+
+printf "Checking for working C compiler (${CC})... "
+printf "int main(void){return 42;}\n" > minimal.c
+if ${CC} -o minimal minimal.c > /dev/null 2>&1
+then
+    printf "Yes.\n"
+else
+    printf "No.\n"
+    cat <<EOF
+
+*** Error: No functioning C compiler found. Either set the CC environment
+to a working C compiler, or else install gcc:
+
+       http://gcc.gnu.org/
+
+You may be able to install gcc with a command such as:
+
+       sudo apt-get install build-essential
+    or:
+       sudo yum install make automake gcc gcc-c++ kernel-devel
+
+EOF
+
+exit 1
+

 fi
 
 fi
 

-printf "Checking for talloc development files... "
+printf "Checking for libtalloc... "

 if pkg-config --exists talloc; then
     printf "Yes.\n"
     have_talloc=1
 if pkg-config --exists talloc; then
     printf "Yes.\n"
     have_talloc=1


@@ -228,7 +273,7 @@ else
 fi
 rm -f elf-minimal elf-minimal.c
 
 fi
 rm -f elf-minimal elf-minimal.c
 

-printf "Checking for OpenGL header file GL/gl.h... "
+printf "Checking for GL/gl.h... "

 have_gl=0
 if pkg-config --exists gl; then
     printf "Yes.\n"
 have_gl=0
 if pkg-config --exists gl; then
     printf "Yes.\n"


@@ -250,7 +295,7 @@ fi
 printf "Checking for GL window-system-binding headers:\n"
 have_gl_winsys=0
 
 printf "Checking for GL window-system-binding headers:\n"
 have_gl_winsys=0
 

-printf "    Checking for GL/glx.h... "
+printf "       Checking for GL/glx.h... "

 have_glx=No
 printf "#include <GL/glx.h>\nint main(void){return 0;}\n" > glx-minimal.c
 if ${CC} -o glx-minimal glx-minimal.c ${gl_cflags} > /dev/null 2>&1
 have_glx=No
 printf "#include <GL/glx.h>\nint main(void){return 0;}\n" > glx-minimal.c
 if ${CC} -o glx-minimal glx-minimal.c ${gl_cflags} > /dev/null 2>&1


@@ -263,7 +308,7 @@ else
 fi
 rm -f glx-minimal glx-minimal.c
 
 fi
 rm -f glx-minimal glx-minimal.c
 

-printf "    Checking for GL/egl.h... "
+printf "       Checking for GL/egl.h... "

 have_egl=No
 if pkg-config --exists egl; then
     printf "Yes.\n"
 have_egl=No
 if pkg-config --exists egl; then
     printf "Yes.\n"


@@ -332,26 +377,6 @@ Or on Fedora and similar systems:
 On other systems, similar commands can be used, but the details of the
 package names may be different.
 
 On other systems, similar commands can be used, but the details of the
 package names may be different.
 

-EOF
-    if [ $have_pkg_config -eq 0 ]; then
-cat <<EOF
-Note: the pkg-config program is not available. This configure script
-uses pkg-config to find the compilation flags required to link against
-the various libraries needed by ${PROJECT}. It's possible you simply need
-to install pkg-config with a command such as:
-
-       sudo apt-get install pkg-config
-Or:
-       sudo yum install pkgconfig
-
-But if pkg-config is not available for your system, then you will need
-to modify the configure script to manually set the cflags and ldflags
-variables to the correct values to link against each library in each
-case that pkg-config could not be used to determine those values.
-
-EOF
-    fi
-cat <<EOF

 When you have installed the necessary dependencies, you can run
 configure again to ensure the packages can be found, or simply run
 "make" to compile.
 When you have installed the necessary dependencies, you can run
 configure again to ensure the packages can be found, or simply run
 "make" to compile.